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Document and Entity Information - USD ($)	12 Months Ended
Dec. 31, 2018	Jan. 31, 2019	Jun. 30, 2018
Document And Entity Information [Abstract]
Document Type	10-K
Amendment Flag	false
Document Period End Date	Dec. 31, 2018
Document Fiscal Year Focus	2018
Document Fiscal Period Focus	FY
Trading Symbol	MANH
Entity Registrant Name	MANHATTAN ASSOCIATES INC
Entity Central Index Key	0001056696
Current Fiscal Year End Date	--12-31
Entity Well-known Seasoned Issuer	Yes
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		65,017,683
Entity Public Float			$ 3,091,365,142

Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Total revenue	$ 559,157	$ 594,599	$ 604,557
Total costs	240,881	245,733	249,879
Research and development	71,896	57,704	54,736
Sales and marketing	51,262	47,482	48,223
General and administrative	52,618	46,054	48,322
Depreciation and amortization	8,613	9,060	9,090
Restructuring charge		2,921
Total costs and expenses	425,270	408,954	410,250
Operating income	133,887	185,645	194,307
Interest income	1,067	1,174	1,161
Other income (loss), net	1,277	(1,986)	639
Income before income taxes	136,231	184,833	196,107
Income tax provision	31,541	68,352	71,873
Net income	$ 104,690	$ 116,481	$ 124,234
Basic earnings per share	$ 1.58	$ 1.68	$ 1.73
Diluted earnings per share	$ 1.58	$ 1.68	$ 1.72
Weighted average number of shares:
Basic	66,201	69,175	71,674
Diluted	66,434	69,424	72,060
Cloud Subscriptions
Total revenue	$ 23,104	$ 9,596	$ 5,783
Software License
Total revenue	45,368	72,313	79,213
Total costs	5,297	5,483	6,818
Maintenance
Total revenue	147,033	142,998	133,848
Services
Total revenue	329,685	326,502	351,785
Hardware
Total revenue	13,967	43,190	33,928
Total costs		32,205	23,426
Cost of Cloud Subscriptions, Maintenance and Services
Total costs	$ 235,584	$ 208,045	$ 219,635

Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Current Assets:
Cash and cash equivalents	$ 99,126	$ 125,522
Short-term investments	1,440
Accounts receivable, net of allowance of $2,589 and $2,692 at December 31, 2018 and December 31, 2017, respectively	100,108	92,231
Income taxes receivable	767
Prepaid expenses	11,171	9,151
Other current assets	2,770	1,169
Total current assets	215,382	228,073
Property and equipment, net	14,318	15,493
Goodwill, net	62,240	62,248
Deferred income taxes	5,442	1,877
Other assets	9,768	7,304
Total assets	307,150	314,995
Current liabilities:
Accounts payable	18,181	14,028
Accrued compensation and benefits	29,485	15,826
Accrued and other liabilities	12,161	12,105
Deferred revenue	81,894	75,068
Income taxes payable	3,543	7,228
Total current liabilities	145,264	124,255
Deferred rent, long-term	1,921	2,136
Deferred income taxes	53	69
Other non-current liabilities	12,765	13,579
Commitments and contingencies (Note 5)
Shareholders' equity:
Preferred stock, no par value; 20,000,000 shares authorized, no shares issued or outstanding at December 31, 2018 and December 31, 2017
Common stock, $.01 par value; 200,000,000 shares authorized; 64,860,419 and 67,776,138 shares issued and outstanding at December 31, 2018 and December 31, 2017, respectively	649	678
Retained earnings	163,359	186,117
Accumulated other comprehensive loss	(16,861)	(11,839)
Total shareholders' equity	147,147	174,956
Total liabilities and shareholders' equity	$ 307,150	$ 314,995

Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Operating activities:
Net income	$ 104,690	$ 116,481	$ 124,234
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	8,613	9,060	9,090
Equity-based compensation	19,864	16,229	15,934
Loss on disposal of equipment	59	152	30
Tax benefit of stock awards exercised/vested			5,209
Excess tax benefits from equity-based compensation			(5,214)
Deferred income taxes	(4,265)	1,574	1,797
Unrealized foreign currency loss (gain)	298	196	(393)
Changes in operating assets and liabilities:
Accounts receivable, net	(9,341)	10,139	(4,358)
Other assets	(4,357)	661	299
Accounts payable, accrued and other liabilities	18,603	(5,354)	(9,261)
Income taxes	(4,390)	1,876	6,129
Deferred revenue	7,575	13,052	(4,150)
Net cash provided by operating activities	137,349	164,066	139,346
Investing activities:
Purchases of property and equipment	(7,306)	(6,199)	(6,843)
Purchases of short-term investments	(14,584)	(12,873)
Maturities of short-term investments	12,052	13,302	10,201
Net cash (used in) provided by investing activities	(9,838)	(5,770)	3,358
Financing activities:
Purchase of common stock	(149,322)	(131,707)	(167,933)
Proceeds from issuance of common stock from options exercised			18
Excess tax benefits from equity-based compensation			5,214
Net cash used in financing activities	(149,322)	(131,707)	(162,701)
Foreign currency impact on cash	(4,585)	3,318	(2,804)
Net change in cash and cash equivalents	(26,396)	29,907	(22,801)
Cash and cash equivalents at beginning of period	125,522	95,615	118,416
Cash and cash equivalents at end of period	99,126	125,522	95,615
Supplemental disclosures of cash flow information:
Cash paid for taxes	$ 40,215	$ 64,910	$ 58,684

Consolidated Statements of Shareholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)
Balance at Dec. 31, 2015	$ 195,492	$ 728		$ 207,070	$ (12,306)
Balance (in shares) at Dec. 31, 2015		72,766,383
Repurchase of common stock	(167,933)	$ (30)	$ (21,157)	(146,746)
Repurchase of common stock (in shares)		(2,988,627)
Stock option exercises	18		18
Stock option exercises (in shares)		3,610
Restricted stock units issuance		$ 4	(4)
Restricted stock units issuance (in shares)		452,589
Equity-based compensation	15,934		15,934
Tax effects of equity-based compensation	5,209		5,209
Foreign currency translation adjustment	(3,588)				(3,588)
Net income	124,234			124,234
Balance at Dec. 31, 2016	169,366	$ 702		184,558	(15,894)
Balance (in shares) at Dec. 31, 2016		70,233,955
Repurchase of common stock	(131,707)	$ (28)	(18,050)	(113,629)
Repurchase of common stock (in shares)		(2,829,850)
Restricted stock units issuance		$ 4	(4)
Restricted stock units issuance (in shares)		372,033
Equity-based compensation	16,229		16,229
Adjustment due to adoption of ASC \| ASC 2016-09 and ASC 2014-09	532		1,825	(1,293)
Foreign currency translation adjustment	4,055				4,055
Net income	116,481			116,481
Balance at Dec. 31, 2017	174,956	$ 678		186,117	(11,839)
Balance (in shares) at Dec. 31, 2017		67,776,138
Repurchase of common stock	(149,322)	$ (33)	(19,860)	(129,429)
Repurchase of common stock (in shares)		(3,262,835)
Restricted stock units issuance		$ 4	(4)
Restricted stock units issuance (in shares)		347,116
Equity-based compensation	19,864		$ 19,864
Adjustment due to adoption of ASC \| ASC 2016-09 and ASC 2014-09	1,981			1,981
Foreign currency translation adjustment	(5,022)				(5,022)
Net income	104,690			104,690
Balance at Dec. 31, 2018	$ 147,147	$ 649		$ 163,359	$ (16,861)
Balance (in shares) at Dec. 31, 2018		64,860,419

Organization, Consolidation and Summary of Significant Accounting Policies

12 Months Ended

Dec. 31, 2018

Accounting Policies [Abstract]

Organization, Consolidation and Summary of Significant Accounting Policies

1. Organization, Consolidation and Summary of Significant Accounting Policies

Organization and Business

Manhattan Associates, Inc. (“Manhattan”, the “Company”, “we”, “our”, or “us”) is a developer and provider of supply chain commerce solutions that help organizations optimize the effectiveness, efficiency, and strategic advantages of their supply chains. Our solutions consist of software, services, and hardware, which coordinate people, workflows, assets, events, and tasks holistically across the functions linked in a supply chain from planning through execution. These solutions also help coordinate the actions, data exchange, and communication of participants in supply chain ecosystems, such as manufacturers, suppliers, distributors, trading partners, transportation providers, channels (such as catalogers, store retailers, and Web outlets), and consumers.

Our operations are in North and South America (the Americas), Europe (EMEA), and the Asia/Pacific (APAC) region. The Americas operation are conducted through the Parent Company, Manhattan Associates, Inc., and its wholly-owned subsidiary, Manhattan Associates Chile Spa. The European operations are conducted through our wholly-owned subsidiaries, Manhattan Associates Limited, Manhattan Associates Europe B.V., Manhattan France SARL, and Manhattan Associates GmbH, in the United Kingdom, the Netherlands, France, and Germany, respectively. Our Asia/Pacific operations are conducted through our wholly-owned subsidiaries, Manhattan Associates Pty Ltd., Manhattan Associates KK, Manhattan Associates Software (Shanghai), Co. Ltd., Manhattan Associates Software Pte Ltd., and Manhattan Associates (India) Development Centre Private Limited in Australia, Japan, China, Singapore, and India, respectively. We occasionally sell our products and services in other countries, such as countries in Latin America, Eastern Europe, Middle East, and Asia, through our direct sales channel as well as various reseller channels.

Risks Associated with Single Business Line, Technological Advances, and Foreign Operations

We currently derive a substantial portion of our revenues from sales of our software and related services and hardware. The markets for supply chain commerce solutions are highly competitive, subject to rapid technological change, changing customer needs, frequent new product introductions, and evolving industry standards that may render existing products and services obsolete. As a result, our position in these markets could be eroded rapidly by unforeseen changes in customer requirements for application features, functions, and technologies. Our growth and future operating results will depend, in part, upon our ability to enhance existing applications and develop and introduce new applications that meet changing customer requirements that respond to competitive products and that achieve market acceptance. Any factor adversely affecting the markets for supply chain commerce solutions could have an adverse effect on our business, financial condition, results of operations and operating cash flows.

Our international business is subject to risks typical of an international business, including, but not limited to, differing economic conditions, changes in political climate, differing tax structures, other regulations and restrictions, and foreign exchange rate volatility. We recognized foreign exchange gains of $1.3 million and $0.6 million in 2018 and 2016, respectively, and a foreign exchange loss of $1.8 million in 2017. Foreign exchange rate transaction gains and losses are classified in “Other income (loss), net” on the Consolidated Statements of Income.

In addition, we have a large development center in Bangalore, India, that does not have a natural in-market revenue hedge to mitigate currency risk to our operating expenses in India. Fluctuations in the value of other currencies, particularly the Indian Rupee, could significantly affect our revenues, expenses, operating profit and net income.

Principles of Consolidation and Foreign Currency Translation

The accompanying consolidated financial statements include the accounts of the Company and its wholly-owned subsidiaries. All significant intercompany balances and transactions have been eliminated in consolidation.

The financial statements of foreign subsidiaries have been translated into United States dollars in accordance with the foreign currency matters topic in the FASB’s Accounting Standards Codification (the “Codification”). Revenues and expenses from international operations were denominated in the respective local currencies and translated using the average monthly exchange rates for the year. All balance sheet accounts have been translated using the exchange rates in effect at the balance sheet date and the effect of changes in exchange rates from year to year are disclosed as a separate component of shareholders’ equity and comprehensive income.

New Accounting Pronouncements Adopted in Fiscal Year 2018

Revenue Recognition

In May 2014, the FASB issued Accounting Standards Update (ASU) 2014-09, Revenue Recognition – Revenue from Contracts with Customers (Topic 606), which, along with its subsequent amendments, replaced substantially all revenue recognition guidance. The new standard provides accounting guidance for all revenue arising from contracts with customers and affects all entities that enter into contracts to provide goods or services to their customers unless the contracts are in the scope of other standards.

On January 1, 2018, we adopted Topic 606 using the modified retrospective method applied to those contracts which were not completed as of January 1, 2018. Results of reporting periods beginning after January 1, 2018 are presented under Topic 606, while prior period amounts are not adjusted and continue to be reported under the previous revenue recognition standard (Topic 605). Historical hardware sales prior to the adoption of Accounting Standards Codification (ASC) 606 were recorded on a gross basis, as we were the principal in the transaction in accordance with ASC 605-45. Under the new standard, we are an agent in the transaction as we do not physically control the hardware which we sell; accordingly, we recognize our hardware revenue net of related cost which reduces both hardware revenue and cost of sales as compared to our accounting prior to 2018. Otherwise, the adoption of ASC 606 does not have a material impact on the measurement or recognition of revenue in any prior or current reporting periods.

However, based on expected renewals of maintenance and multi-year cloud subscriptions, we must defer a portion of our sales commission expense and amortize it over time as the corresponding services are transferred to the customer under the new standard. As a result, we recorded a net increase to opening retained earnings of $2.0 million, net of tax, as of January 1, 2018 for commissions expense required to be deferred on contracts not completed as of that date.

Had we presented the results for 2018 under Topic 605, we would have presented hardware revenue gross which would have increased hardware revenue and cost of hardware each by $35.9 million. We would have also expensed all sales commissions upon contract completion which would have increased sales and marketing expense by $2.5 million in 2018.

Stock Compensation

In June 2018, the FASB issued ASU 2018-07, Compensation – Stock Compensation (Topic 718), Improvements to Nonemployee Share-Based Payment Accounting (ASU 2018-07). The new guidance expands the scope of ASC 718, Compensation – Stock Compensation, to include share-based payments granted to nonemployees in exchange for goods or services used or consumed in an entity’s operations, and supersedes the guidance in ASC 505-50, Equity-Based Payments to NonEmployees. Once adopted, the fair value of awards granted to nonemployees will be determined as of the grant date and recognized, in expense, over the service period. Previous guidance required the fair value of awards granted to nonemployees to be remeasured at intervals in determining the expense to be recognized. ASU 2018-07 is effective for public business entities in annual periods beginning after December 15, 2018 (first quarter 2019 for us). We early adopted ASU 2018-07 in the third quarter of 2018, and the adoption did not impact our financial statements.

New Accounting Pronouncements Not Yet Adopted as of December 31, 2018

Leases

In February 2016, the FASB issued ASU 2016-02, Leases, which established new ASC Topic 842 (ASC 842), to increase transparency and comparability among organizations by recognizing lease assets and lease liabilities on the balance sheet and disclosing key information about leasing arrangements. Under the new guidance, a lessee will be required to recognize assets and liabilities for leases with lease terms of more than 12 months. Consistent with current GAAP, the recognition, measurement, and presentation of expenses and cash flows arising from a lease by a lessee primarily will depend on its classification as a finance or operating lease. However, unlike current GAAP which requires only capital leases to be recognized on the balance sheet, the new standard will require both types of leases to be recognized on the balance sheet. ASC 842 also will require disclosures to help investors and other financial statement users better understand the amount, timing, and uncertainty of cash flows arising from leases. These disclosures include qualitative and quantitative requirements, providing additional information about the amounts recorded in the financial statements.

ASC 842 was previously required to be adopted using the modified retrospective approach. However, in July 2018, the FASB issued ASU 2018-11, which allows for retrospective application with the recognition of a cumulative-effect adjustment to the opening

balance of retained earnings in the period of adoption. Under this option, entities would not need to apply ASC 842 (along with its disclosure requirements) to the comparative prior periods presented.

ASC 842 is effective for us in the first quarter of 2019 and we expect that most of our operating leases (primarily office space) will be recognized as operating lease liabilities and right of use assets on our balance sheet. The right of use assets and lease liabilities that we recognize on our balance sheet, as of the adoption date, will depend on our lease portfolio and discount rates on the date of adoption. We are continuing to evaluate the impact that the adoption of this standard will have on our financial statements but currently believe it is likely that we will elect to adopt certain of the optional practical expedients, including the package of practical expedients, which, among other things, gives us the option to not reassess: 1) whether expired or existing contracts are or contain leases; 2) the lease classification for expired or existing leases; and 3) initial direct costs for existing leases. We also believe that we will elect the optional transition method that allows for a cumulative-effect adjustment as of the adoption date coupled with the option to not restate prior periods. We do not expect the adoption of ASC 842 to materially impact our Consolidated Statements of Income or our Consolidated Statements of Cash Flows.

Summary of Significant Accounting Policies

Cash and Cash Equivalents

We consider all highly liquid investments purchased with original maturities of three months or less to be cash or cash equivalents.

Concentrations of Credit Risk

Financial instruments that potentially subject us to significant concentrations of credit risk consist principally of cash and cash equivalents and accounts receivable. We maintain cash and cash equivalents with various financial institutions. Amounts held are above the federally insured limit.

Our sales are primarily to companies located in the United States, Europe and Asia. We perform periodic credit evaluations of our customers’ financial condition and do not require collateral. Accounts receivable are due principally from large U.S., European and Asia Pacific companies under stated contract terms. Accounts receivable, net as of December 31, 2018 for the Americas, EMEA, and APAC companies were $80.5 million, $15.2 million, and $4.4 million, respectively. Accounts receivable, net as of December 31, 2017 for the Americas, EMEA, and APAC companies were $71.8 million, $16.1 million, and $4.3 million, respectively. Our top five customers in aggregate accounted for 13%, 9%, and 12% of total revenue recognized for the year ended December 31, 2018 (“2018”), the year ended December 31, 2017 (“2017”) and the year ended December 31, 2016 (“2016”), respectively. No single customer accounted for more than 10% of revenue in 2018, 2017 and 2016 or more than 10% of accounts receivable as of December 31, 2018 and 2017.

Fair Value Measurement

We measure our investments based on a fair value hierarchy disclosure framework that prioritizes and ranks the level of market price observability used in measuring assets and liabilities at fair value. Market price observability is affected by a number of factors, including the type of asset or liability and their characteristics. This hierarchy prioritizes the inputs into three broad levels as follows:

•

Level 1–Quoted prices in active markets for identical instruments.

•

Level 2–Quoted prices for similar instruments in active markets; quoted prices for identical or similar instruments in markets that are not active; and model-derived valuations in which all significant inputs and significant value drivers are observable in active markets.

•

Level 3–Valuations derived from valuation techniques in which one or more significant inputs or significant value drivers are unobservable.

Investments with maturities of 90 days or less from the date of purchase are classified as cash equivalents; investments with maturities of greater than 90 days from the date of purchase but less than one year are generally classified as short-term investments; and investments with maturities of one year or greater from the date of purchase are generally classified as long-term investments. Unrealized holding gains and losses are reflected as a net amount in a separate component of shareholders’ equity until realized. For the purposes of computing realized gains and losses, cost is determined on a specific identification basis.

At December 31, 2018, our cash, cash equivalents, and short-term investments were $78.5 million, $20.7 million, and $1.4 million, respectively. We currently have no long-term investments. Cash equivalents consist of highly liquid money market funds of $9.7 million and certificates of deposit of $11.0 million. Short-term investments consist of certificates of deposit. For money market funds,

we use quoted prices from active markets that are classified at Level 1, the highest level of observable input in the disclosure hierarchy framework. We have no investments classified at Level 2 or Level 3 at December 31, 2018.

The carrying values of cash and cash equivalents, short-term investments, accounts receivable, and accounts payable included in the accompanying Consolidated Balance Sheets approximate their fair values principally due to the short-term maturities of these instruments.

Use of Estimates

The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, disclosure of contingent assets and liabilities at the date of the financial statements, and the reported amounts of revenue and expenses during the reporting period. Significant estimates include the allowance for doubtful accounts, which is based upon an evaluation of historical amounts written-off, the customers’ ability to pay, and general economic conditions; self-insurance accruals; impairment testing of goodwill; and our effective income tax rate (including the impact of unrecognized tax benefits) and deferred tax assets, which are based upon our expectations of future taxable income, allowable deductions, and projected tax credits. Actual results will differ from these estimates.

Revenue Recognition

We recognize revenue when we transfer control of the promised products or services to our customers, in an amount that reflects the consideration we expect to be entitled to in exchange for those products or services. We derive our revenue from software licenses, cloud subscriptions, customer support services and software enhancements (“maintenance”), implementation and training services, and sales of hardware. We exclude sales and usage-based taxes from revenue.

Nature of Products and Services

Our perpetual software licenses provide the customer with a right to use the software as it exists at the time of purchase. We recognize revenue for distinct software licenses once the license period has begun and we have made the software available to the customer.

Cloud subscriptions includes software as a service (“SaaS”) and arrangements which provide customers with the right to use our software within a cloud-based environment that we provide and manage where the customer does not have the right to take possession of the software without significant penalty. SaaS and hosting revenues are recognized ratably over the contract period. For contracts that include a perpetual license and hosting services, we generally consider the arrangement as an overall service, recognized over the initial hosting term. The software license fee typically due at the outset of the arrangement is not payable again if the customer renews the hosting services, so that the customer’s option to renew the hosting services is a material right, the revenue from which, if the option is exercised, we will recognize over the applicable renewal period.

Our perpetual software licenses are typically sold with maintenance under which we provide a comprehensive 24 hours per day, 365 days per year program that provides customers with software upgrades, when and if available, which include additional or improved functionality and technological advances incorporating emerging supply chain and industry initiatives. Revenue related to maintenance is generally paid in advance and recognized ratably over the term of the agreement, typically twelve months.

Our services revenue consists of fees generated from implementation, training and application managed services, including reimbursements of out-pocket expenses in connection with our implementation services. Implementation services include system planning, design, configuration, testing, and other software implementation support, and are typically optional and distinct from our software. Following implementation, customers may purchase application managed services to support and maintain our software. Fees for our services are separately priced and are generally billed on an hourly basis, and revenue is recognized over time as the services are performed. In certain situations, we render professional services under agreements based upon a fixed fee for portions of or all of the engagement. Revenue related to fixed-fee-based services contracts is recognized over time based on the proportion performed. The total amount of expense reimbursement included in services revenue was $16.8 million, $17.9 million and $18.3 million for 2018, 2017 and 2016, respectively.

As part of a complete solution, our customers periodically purchase hardware products developed and manufactured by third parties from us for use with the software licenses purchased from us. These products include computer hardware, radio frequency terminal networks, radio frequency identification (RFID) chip readers, bar code printers and scanners, and other peripherals. As we do not physically control the hardware that we sell, we are acting as an agent in the transaction and recognize our hardware revenue net of related cost. We recognize hardware revenue when control is transferred to the customer upon shipment.

Significant Judgements

Our contracts with customers typically contain promises to transfer multiple products and services to a customer. Judgement is required to determine whether each product and service is considered to be a distinct performance obligation that should be accounted for separately under the contract. We allocate the transaction price to the distinct performance obligations based on relative standalone selling price (“SSP”). We estimate SSP based on the prices charged to customers, or by using information such as market conditions and other observable inputs. However, the selling price of our software licenses is highly variable. Thus, we estimate SSP for software licenses using the residual approach, determined based on total transaction price less the SSP of other goods and services promised in the contract.

Contract Balances

Timing of invoicing to customers may differ from timing of revenue recognition. Payment terms for our software licenses vary. We have an established history of collecting under the terms of our software license contracts without providing refunds or concessions to our customers. Cloud subscriptions and maintenance are typically billed annually in advance. Services are typically billed monthly as performed. In instances where the timing of revenue recognition differs from the timing of invoicing, we have determined that our contracts generally do not include a significant financing component. The primary purpose of our invoicing terms is to provide customers with predictable ways to purchase our software and services, not to provide or receive financing. Additionally, we are applying the practical expedient to exclude from consideration any contracts with payment terms of one year or less as we rarely offer terms extending beyond one year.

Deferred revenue mainly represents amounts collected prior to having completed performance of maintenance, cloud subscriptions and professional services. $72.8 million of revenue that was included in the deferred revenue balance as of December 31, 2017 was recognized in 2018.

No revenue was recognized in 2018 from performance obligations that were satisfied in prior periods.

Remaining Performance Obligations

As of December 31, 2018, approximately $77.0 million of revenue is expected to be recognized from remaining performance obligations for cloud subscriptions, maintenance contracts, and application managed services with a non-cancelable term greater than 1 year (including deferred revenue as well as amounts that will be invoiced and recognized as revenue in future periods). We expect to recognize revenue on approximately 60% of these remaining performance obligations over the next 24 months with the balance recognized thereafter. We have elected not to provide disclosures regarding remaining performance obligations for contracts with a term of 1 year or less.

Returns and Allowances

We have not experienced significant returns or warranty claims to date and, as a result, have not recorded a provision for the cost of returns and product warranty claims.

We record an allowance for doubtful accounts based on historical experience of write-offs and a detailed assessment of accounts receivable. Additions to the allowance for doubtful accounts generally represent a sales allowance on services revenue, which are recorded to operations as a reduction to services revenue. Total amount charged to operations in 2018, 2017 and 2016 was $3.9 million, $1.6 million and $4.9 million, respectively. In estimating the allowance for doubtful accounts, we consider the age of the accounts receivable, our historical write-offs, and the creditworthiness of the customer, among other factors. Should any of these factors change, the estimates made by us will also change accordingly, which could affect the level of our future allowances. Uncollectible accounts are written off when it is determined that the specific balance is not collectible.

Deferred Commissions

We consider sales commissions to be incremental costs of obtaining a contract with a customer. We defer and recognize an asset for sales commissions related to performance obligations with an expected period of benefit of more than one year. We apply the practical expedient to expense sales commissions when the amortization period would have been one year or less. Deferred commissions were $3.5 million as of December 31, 2018, of which $2.4 million is included in other assets and $1.1 million is included in prepaid expenses. Sales commission expense is included in Sales and Marketing expense in the accompanying consolidated statement of operations. Amortization of sales commissions in 2018 was $1.0 million. No impairment losses were recognized during 2018.

Property and Equipment

Property and equipment is recorded at cost and consists of furniture, computers, other office equipment, and leasehold improvements. We depreciate the cost of furniture, computers, and other office equipment on a straight-line basis over their estimated useful lives (five years for office equipment, seven years for furniture and fixtures). Leasehold improvements are depreciated over the lesser of their useful lives or the term of the lease. Depreciation expense for property and equipment for 2018, 2017 and 2016 was approximately $7.5 million, $7.7 million, and $7.5 million, respectively. Amortization of intangibles was $1.2 million, $1.3 million and $1.6 million in 2018, 2017 and 2016, respectively. Depreciation expense as well as amortization expense are included in “Depreciation and amortization” in the Consolidated Statements of Income.

Property and equipment consist of the following (in thousands):

	December 31,
	2018			2017
Office equipment	$	39,633		$	39,644
Furniture and fixtures		4,610			4,662
Leasehold improvement		19,430			18,494
Property and equipment, gross		63,673			62,800
Less accumulated depreciation		(49,355	)		(47,307	)
Property and equipment, net	$	14,318		$	15,493

Software Development Costs

Research and development expenses are charged to expense as incurred. For 2018, 2017 and 2016, we did not capitalize any internal research and development costs because the costs incurred between the attainment of technological feasibility for the related software product through the date that the product was available for general release to customers were insignificant.

We determine the amount of development costs capitalizable in accordance with the FASB Codification provisions relating to costs of computer software to be sold, leased, or marketed. Under this guidance, computer software development costs are charged to R&D expense until technological feasibility is established, after which remaining software production costs are capitalized. We have defined technological feasibility as the point in time at which we have a detailed program design or a working model of the related product, depending on the type of development efforts, and high-risk development issues have been resolved through end-to-end system testing.

Impairment of Long-Lived Assets

We review the values assigned to long-lived assets, including property and certain intangible assets, to determine whether events and circumstances have occurred which indicate that the remaining estimated useful lives may warrant revision or that the remaining balances may not be recoverable. In such reviews, undiscounted cash flows associated with these assets are compared with their carrying value to determine if a write-down to fair value is required. During 2018, 2017 and 2016, we recognize no impairment charges associated with our long-lived or intangible assets.

The evaluation of asset impairment requires management to make assumptions about future cash flows over the life of the asset being evaluated. These assumptions require significant judgment, and actual results may differ from assumed and estimated amounts.

Goodwill and Impairment of Goodwill

Goodwill

Goodwill represents the excess of purchase price over fair value of net identified tangible and intangible assets and liabilities acquired. We do not amortize goodwill. Instead, we test goodwill for impairment on at least an annual basis. Goodwill was $62.2 million at the end of each of the years ended December 31, 2018 and 2017.

Impairment of Goodwill

We evaluate the carrying value of goodwill annually as of December 31 and between annual evaluations if events occur or circumstances change that would more likely than not reduce the fair value of the reporting unit below its carrying amount. Such circumstances could include, but are not limited to, (1) a significant adverse change in legal factors or in the business climate, (2) unanticipated competition, or (3) an adverse action or assessment by a regulator.

We applied the simplified goodwill impairment test for 2018, which permits companies to perform a qualitative assessment based on economic, industry and company-specific factors as the initial step in the annual goodwill impairment test for all or selected reporting units. Based on the results of the qualitative assessment, companies are only required to perform Step 1 of the annual impairment test for a reporting unit if the company concludes that it is not more likely than not that the unit’s fair value is less than its carrying amount. To the extent we conclude that it is more likely than not that a reporting unit’s estimated fair value is less than its carrying amount, the two-step approach is applied. The first step would require a comparison of each reporting unit’s fair value to the respective carrying value. If the carrying value exceeds the fair value, a second step is performed to measure the amount of impairment loss, if any. We did not identify any macroeconomic or industry conditions as of December 31, 2018, that would indicate that the fair value of the reporting units were more likely than not to be less than their respective carrying values. If circumstances change or events occur to indicate that it is more likely than not that the fair value of any reporting units have fallen below their carrying value, we would record an impairment charge based on that difference. We performed our periodic review of goodwill for impairment as of December 31, 2018 and 2017, and did not identify any impairment as a result of the review.

Guarantees and Indemnities

We account for guarantees in accordance with the guarantee accounting topic in the FASB Codification. Our customer contracts generally contain infringement indemnity provisions. Under those provisions, we generally agree, subject to certain exceptions, to indemnify, defend, and hold harmless the customer in connection with third party claims against the customer alleging that the customer’s use of our software products in compliance with their license infringe the third party’s patent, copyright, or other intellectual property rights. Conditions to our obligations generally include that we are provided the right to control the defense of the claims and, in general, to control settlement negotiations. Those provisions generally provide also that, if the customer is prevented from using our software because of a third party infringement claim, our sole obligation (in addition to the indemnification, defense, and hold harmless obligation referred to above) is to, at our expense, (i) procure for the customer the right to continue to use the software, (ii) to replace or modify the product so that its use by the customer does not infringe, or, if either of the foregoing are not reasonably feasible, to terminate the customer contract and provide a refund of the unamortized portion of the customer’s license fee (based on a five year amortization period). Our customer contracts sometimes also require us to indemnify, defend, and hold harmless the customer in connection with death, personal injury, or property damage claims made by third parties with respect to actions of our personnel or contractors. The indemnity obligations contained in our customer contracts generally have no specified expiration date and no specified monetary limitation on liability. We have not previously incurred costs to settle claims or pay awards under these indemnification obligations. We account for these indemnity obligations in accordance with FASB guidance on accounting for contingencies, and record a liability for these obligations when a loss is probable and reasonably estimable. We have not recorded any liabilities for these contracts as of December 31, 2018, or 2017.

In general, in our customer contracts, we warrant to our customers that our software products will perform in all material respects in accordance with the standard published specifications in effect at the time of delivery of the licensed products to the customer for six months after first use of the licensed products, but no more than 24 months after execution of the license agreement. Additionally, we warrant to our customers that services will be performed consistent with generally accepted industry standards or specific service levels through completion of the agreed upon services. If necessary, we will provide for the estimated cost of product and service warranties based on specific warranty claims and claims history. However, we have not incurred significant recurring expenses under product or service warranties. As a result, we believe the estimated fair value of these agreements is nominal. Accordingly, we have no liabilities recorded for these agreements as of December 31, 2018 and 2017.

Segment Information

We have three reportable segments as defined by the FASB Codification topic for segment reporting: Americas, EMEA, and APAC. See Note 7 for a discussion of our reportable segments.

Basic and Diluted Net Income Per Share

Basic net income per share is computed using net income divided by the weighted average number of shares of common stock outstanding (“Weighted Shares”) for the period presented.

Diluted net income per share is computed using net income divided by Weighted Shares and the treasury stock method effect of common equivalent shares (“CESs”) outstanding for each period presented. In the following table, we present a reconciliation of earnings per share and the shares used in the computation of earnings per share for 2018, 2017 and 2016 (in thousands, except per share data):

	Year Ended December 31,
	2018		2017		2016
	(in thousands, except per share data)
Net income	$	104,690	$	116,481	$	124,234
Earnings per share:
Basic	$	1.58	$	1.68	$	1.73
Effect of CESs		-		-		(0.01	)
Diluted	$	1.58	$	1.68	$	1.72

Weighted average number of shares:
Basic		66,201		69,175		71,674
Effect of CESs		233		249		386
Diluted		66,434		69,424		72,060

The number of anti-dilutive CESs in 2018, 2017 and 2016 was immaterial. See Note 2 for further information on those securities.

Accumulated Other Comprehensive Income

Comprehensive income includes net income and foreign currency translation adjustments that are excluded from net income and reflected in shareholders’ equity. The entire accumulated other comprehensive income balance as of December 31, 2018 and 2017 represents foreign currency translation adjustments.

Accounting for Income Taxes

We provide for the effect of income taxes on our financial position and results of operations in accordance with the Income Taxes Topic of the Codification. Under this accounting pronouncement, income tax expense is recognized for the amount of income taxes payable or refundable for the current year and for the change in net deferred tax assets or liabilities resulting from events that are recorded for financial reporting purposes in a different reporting period than recorded in the tax return. Management must make significant assumptions, judgments, and estimates to determine our current provision for income taxes and also our deferred tax assets and liabilities and any valuation allowance to be recorded against our net deferred tax asset.

Our judgments, assumptions, and estimates relative to the current provision for income tax take into account current tax laws, our interpretation of current tax laws, allowable deductions, projected tax credits, and possible outcomes of current and future audits conducted by foreign and domestic tax authorities. We do not recognize a tax benefit unless we conclude that it is more likely than not that the benefit will be sustained on audit by the taxing authority based solely on the technical merits of the associated tax position. If the recognition threshold is met, we recognize a tax benefit measured at the largest amount of the tax benefit that, in our judgment, is greater than 50 percent likely to be realized. Changes in tax law or our interpretation of tax laws and the resolution of current and future tax audits could significantly impact the amounts provided for income taxes in our financial position and results of operations. Our assumptions, judgments, and estimates relative to the value of our net deferred tax asset take into account predictions of the amount and category of future taxable income. Actual operating results and the underlying amount and category of income in future years could render our current assumptions, judgments, and estimates of recoverable net deferred taxes inaccurate, thus materially impacting our financial position and results of operations.

Equity-Based Compensation

We account for equity-based compensation in accordance with ASC 718, Compensation – Stock Compensation. See Note 2 for further information.

Advertising costs

We expense advertising costs as incurred. Advertising expense was $2.9 million in 2018 and immaterial for 2017 and 2016.

Income Taxes

12 Months Ended

Dec. 31, 2018

Income Tax Disclosure [Abstract]

Income Taxes

3. Income Taxes

We are subject to future federal, state, and foreign income taxes and have recorded net deferred tax assets on the Consolidated Balance Sheets at December 31, 2018 and 2017. Deferred tax assets and liabilities are determined based on the difference between the financial accounting and tax bases of assets and liabilities. We present below significant components of our deferred tax assets and liabilities as of December 31, 2018 and 2017 (in thousands):

	December 31,
	2018			2017
Deferred tax assets:
Accounts receivable	$	599		$	618
Accrued liabilities		5,075			2,571
Equity-based compensation		4,643			3,732
Capitalized costs		911			595
Accrued sales taxes		202			257
Deferred rent		96			336
State tax credits		5,495			5,870
Foreign subsidiary net operating losses		175			278
Valuation allowance		(3,846	)		(4,084	)
Other		778			297
		14,128			10,470
Deferred tax liabilities:
Intangible assets		7,502			7,480
Depreciation		1,237			1,182
		8,739			8,662
Net deferred tax assets	$	5,389		$	1,808

We present below income from domestic and foreign operations before income tax expense for 2018, 2017 and 2016 (in thousands):

	Year Ended December 31,
	2018		2017		2016
Domestic	$	126,542	$	177,314	$	186,234
Foreign		9,689		7,519		9,873
Total	$	136,231	$	184,833	$	196,107

We present below the components of our income tax provision for 2018, 2017 and 2016 (in thousands):

	Year Ended December 31,
	2018			2017			2016
Current:
Federal	$	22,606		$	53,998		$	56,053
State		6,182			6,595			8,204
Foreign		7,018			6,185			5,819
		35,806			66,778			70,076
Deferred:
Federal		(3,127	)		1,590			2,086
State		(674	)		35			(268	)
Foreign		(464	)		(51	)		(21	)
		(4,265	)		1,574			1,797
Total	$	31,541		$	68,352		$	71,873

We did not have income tax benefits related to the exercise of stock options for the years ended December 31, 2018 or 2017 as the remaining outstanding stock options were exercised in 2016. The income tax benefits related to the exercise of stock options was approximately $0.1 million for 2016.

As a result of losses in foreign locations, we have net operating loss carry-forwards (“NOLs”) of approximately $0.7 million available to offset future income. Substantially all of the NOLs expire between 2019 and 2025. We have established a valuation allowance for substantially all of these NOLs because the ability to utilize them is not more likely than not to occur.

We have tax credit carry-forwards of approximately $7.0 million available to offset future state tax. These tax credit carry-forwards expire between 2019 and 2028. These credits represent a deferred tax asset of $5.5 million after consideration of the federal benefit of state tax deductions. A valuation allowance of $2.8 million has been established for these credits because the ability to use them is not more likely than not to occur.

At December 31, 2018, we had approximately $52.7 million of undistributed earnings and profits. The undistributed earnings and profits are considered previously taxed income and would not be subject to U.S. income taxes upon repatriation of those earnings, in the form of dividends. The undistributed earnings and profits are considered to be permanently reinvested, accordingly no provision for local withholdings taxes have been provided, however, upon repatriation of those earnings, in the form of dividends, we could be subject to additional local withholding taxes.

We present below a summary of the items that cause recorded income taxes to differ from taxes computed using the statutory federal income tax rate for 2018, 2017 and 2016:

	Year Ended December 31,
	2018			2017			2016

Statutory federal income tax rate		21.0	%		35.0	%		35.0	%
Effect of:
State income tax, net of federal benefit		3.4			2.3			2.7
State credit carryforwards		0.3			(0.1	)		(0.2	)
U.S. federal R&D tax credit		(1.7	)		(0.8	)		(0.7	)
Tax Reform		(0.1	)		1.5			-
Excess benefit of equity compensation		(0.6	)		(1.0	)		-
Foreign-derived intangible income (FDII) deduction		(1.6	)		-			-
Foreign operations		1.2			(0.1	)		(0.2	)
Tax contingencies		0.5			-			0.6
Other permanent differences		1.0			0.3			(0.5	)
Change in valuation allowance		(0.2	)		(0.1	)		(0.1	)
Income taxes		23.2	%		37.0	%		36.6	%

On December 22, 2017, the United States enacted tax reform legislation commonly known as the Tax Cuts and Jobs Act (“the Act”), resulting in significant modifications to existing law. We followed the guidance in SEC Staff Accounting Bulletin 118 (“SAB 118”), which provides additional clarification regarding the application of ASC Topic 740 in situations where we do not have the necessary information available, prepared, or analyzed in reasonable detail to complete the accounting for certain income tax effects of the Act for the reporting period in which the Act was enacted. SAB 118 provides for a measurement period beginning in the reporting period that includes the Act's enactment date and ending when we have obtained, prepared, and analyzed the information needed in order to complete the accounting requirements but in no circumstances should the measurement period extend beyond one year from the enactment date.

In December 2017, we recorded a provisional estimate of $3.3 million for the one-time deemed repatriation transition tax on unrepatriated foreign earnings. The provisional amount was based on information available at that time, including estimated tax earnings and profits from foreign investments. In the fourth quarter of 2018, we finalized our transition tax calculation and recorded additional tax expense of $0.3 million. In December 2017, we also recorded a provisional write-down to deferred tax assets of $0.7 million related to changes in Section 162(m), Internal Revenue Code of 1986, regarding deductions for excessive employee compensation. In 2018, we finalized our calculation under Section 162(m) and recorded a tax benefit of $0.5 million. We also recorded a one-time tax benefit in December 2017 of $1.2 million from the remeasurement of deferred tax assets and liabilities from 35% to 21%. As of December 31, 2018, we have completed the accounting for all of the impacts of the Act.

The Act provides for the global intangible low-taxed income (“GILTI”) provision which requires us, in our U.S. income tax return, to include foreign subsidiary earnings in excess of an allowable return on the foreign subsidiary’s tangible assets. The FASB Staff provided additional guidance to address the accounting for the effects of the provisions related to the taxation of GILTI, noting that companies should make an accounting policy election to recognize deferred taxes for temporary basis differences expected to

reverse as GILTI in future years or to include the tax expense in the year it is incurred. We have elected to include the tax expense in the year that we incur it.

A reconciliation of the beginning and ending amount of unrecognized tax benefits is as follows for 2018, 2017 and 2016 (in thousands):

	December 31,
	2018		2017				2016

Unrecognized tax benefits at January 1,	$	(7,419		)	$	(6,938		)	$	(5,789	)
Gross amount of increases in unrecognized tax benefits as a result of tax positions taken during a prior period		(873		)		(789		)		(756	)
Gross amount of decreases in unrecognized tax benefits as a result of tax positions taken during a prior period		233				145				270
Gross amount of increases in unrecognized tax benefits as a result of tax positions taken during the current period		(78		)		-				(791	)
Reductions to unrecognized tax benefits relating to settlements with taxing authorities		349				-				-
Reductions to unrecognized tax benefits as a result of a lapse of the applicable statute of limitations		675				163				128
Unrecognized tax benefits at December 31,	$	(7,113		)	$	(7,419		)	$	(6,938	)

Our unrecognized tax benefits totaled $7.1 million and $7.4 million as of December 31, 2018 and 2017, respectively. Included in these amounts are unrecognized tax benefits totaling $5.4 million and $5.6 million as of December 31, 2018 and 2017, respectively, which, if recognized, would affect the effective tax rate.

We recognize potential accrued interest and penalties related to unrecognized tax benefits within our global operations in income tax expense. For 2018, 2017 and 2016, we recognized $0.5 million, $0.3 million, and $0.3 million, respectively, of expense for the potential payment of interest and penalties. Accrued interest and penalties were $2.1 million and $1.7 million as of December 31, 2018 and 2017. We conduct business globally and, as a result, file income tax returns in the United State federal jurisdiction and in many state and foreign jurisdictions. We are no longer subject to U.S. federal, state, and local, or non-US income tax examinations for the years before 2012. Due to the expiration of statutes of limitations in multiple jurisdictions globally during 2019, we anticipate it is reasonably possible that unrecognized tax benefits may decrease by $2.4 million.

Segment Reporting

12 Months Ended

Dec. 31, 2018

Segment Reporting [Abstract]

Segment Reporting

7. Segment Reporting

We manage our business by geographic segment and have three geographic reportable segments: the Americas, EMEA, and APAC. All segments derive revenue from the sale and implementation of our supply chain commerce solutions. The individual products sold by the segments are similar in nature and are all designed to help companies manage the effectiveness and efficiency of their supply chain commerce. We use the same accounting policies for each reportable segment. The chief executive officer and chief financial officer evaluate performance based on revenue and operating results for each reportable segment.

The Americas segment charges royalty fees to the other segments based on software licenses and cloud subscriptions sold by those reportable segments. The royalties, which totaled $4.2 million, $7.0 million, and $3.5 million in 2018, 2017 and 2016, respectively, are included in costs of revenue for each segment with a corresponding reduction in the America’s cost of revenue. The revenues represented below are from external customers only. The geography-based costs consist of costs for professional services personnel, direct sales and marketing expenses, infrastructure costs to support the employee and customer base, billing and financial systems, management and general and administrative support. There are certain corporate expenses included in the Americas segment that we do not charge to the other segments. Such expenses include research and development, certain marketing and general and

administrative costs that support the global organization, and the amortization of acquired developed technology. Costs in the Americas’ segment include all research and development costs including the costs associated with our operations in India.

Amortization expense on intangible assets in 2018, 2017 and 2016 was immaterial.

In accordance with the segment reporting topic of the FASB Codification, we present below certain financial information by reportable segment for 2018, 2017 and 2016 (in thousands):

	Year Ended December 31,
	2018								2017
	Americas		EMEA		APAC		Consolidated		Americas		EMEA		APAC		Consolidated
Revenue:
Cloud subscriptions	$	20,611	$	2,075	$	418	$	23,104	$	9,274	$	322	$	-	$	9,596
Software license		28,423		11,406		5,539		45,368		44,145		22,875		5,293		72,313
Maintenance		117,489		20,933		8,611		147,033		116,426		18,710		7,862		142,998
Services		265,165		50,328		14,192		329,685		264,186		43,431		18,885		326,502
Hardware		13,798		2		167		13,967		43,118		11		61		43,190
Total revenue		445,486		84,744		28,927		559,157		477,149		85,349		32,101		594,599

Costs and Expenses:
Cost of revenue		183,563		43,080		14,238		240,881		195,152		36,124		14,457		245,733
Operating expenses		156,793		14,484		4,499		175,776		134,167		12,761		4,312		151,240
Depreciation and amortization		7,601		743		269		8,613		8,324		527		209		9,060
Restructuring charge		-		-		-		-		2,813		108		-		2,921
Total costs and expenses		347,957		58,307		19,006		425,270		340,456		49,520		18,978		408,954
Operating income	$	97,529	$	26,437	$	9,921	$	133,887	$	136,693	$	35,829	$	13,123	$	185,645

	Year Ended December 31, 2016
	Americas		EMEA		APAC		Consolidated
Revenue:
Cloud subscriptions	$	5,783	$	-	$	-	$	5,783
Software license		65,351		9,187		4,675		79,213
Maintenance		111,592		15,117		7,139		133,848
Services		296,983		41,969		12,833		351,785
Hardware		33,875		9		44		33,928
Total revenue		513,584		66,282		24,691		604,557

Costs and Expenses:
Cost of revenue		206,687		30,711		12,481		249,879
Operating expenses		133,637		12,983		4,661		151,281
Depreciation and amortization		8,313		528		249		9,090
Restructuring charge		-		-		-		-
Total costs and expenses		348,637		44,222		17,391		410,250
Operating income	$	164,947	$	22,060	$	7,300	$	194,307

In the following table, we present goodwill, long-lived assets, and total assets by reportable segment as of December 31, 2018 and 2017 (in thousands):

	As of December 31, 2018								As of December 31, 2017
	Americas		EMEA		APAC		Consolidated		Americas		EMEA		APAC		Consolidated
Goodwill, net	$	54,766	$	5,511	$	1,963	$	62,240	$	54,766	$	5,519	$	1,963	$	62,248
Long lived assets		20,251		3,161		674		24,086		19,424		2,846		527		22,797
Total assets		256,948		37,777		12,425		307,150		271,704		32,308		10,983		314,995

For 2018, 2017 and 2016, we derived revenue from sales to customers outside the United States of approximately $174.1 million, $168.3 million, and $144.8 million, respectively. Our remaining revenue was derived from domestic sales.

The majority of our software license revenue (70-80%) relates to our warehouse management product group. Cloud subscriptions revenue primarily relates to our Manhattan Active omnichannel and transportation management solutions.

Quarterly Results of Operations (Unaudited)

12 Months Ended

Dec. 31, 2018

Quarterly Financial Information Disclosure [Abstract]

Quarterly Results of Operations (Unaudited)

10. Quarterly Results of Operations (Unaudited)

In the table below, we present our quarterly results of operations for 2018 and 2017. Such unaudited quarterly results have been prepared on substantially the same basis as the audited Consolidated Financial Statements.

	Quarter Ended
	Mar 31, 2017			Jun 30, 2017			Sep 30, 2017			Dec 31, 2017			Mar 31, 2018		Jun 30, 2018		Sep 30, 2018		Dec 31, 2018
	(In thousands, except per share data)
Statements of Income Data:
Revenue:
Cloud subscriptions	$	1,496		$	2,378		$	2,534		$	3,188		$	4,469	$	5,377	$	6,455	$	6,803
Software license		21,277			20,064			16,260			14,712			7,555		12,973		11,526		13,314
Maintenance		33,376			35,959			36,338			37,325			36,397		36,993		37,177		36,466
Services		79,781			85,327			84,211			77,183			78,757		82,267		84,136		84,525
Hardware		7,559			10,413			13,540			11,678			3,391		4,261		3,057		3,258
Total revenue		143,489			154,141			152,883			144,086			130,569		141,871		142,351		144,366
Costs and expenses:
Cost of software license		1,352			1,438			1,316			1,377			1,308		2,096		1,211		682
Cost of cloud subscriptions, maintenance and services		54,899			53,109			51,103			48,934			56,486		56,985		59,975		62,138
Cost of hardware		5,370			7,766			10,653			8,416			-		-		-		-
Research and development		14,225			14,102			14,747			14,630			17,059		18,176		18,453		18,208
Sales and marketing		11,789			11,732			10,739			13,222			12,884		13,809		10,726		13,843
General and administrative		11,872			11,387			11,031			11,764			12,800		12,885		13,711		13,222
Depreciation and amortization		2,262			2,326			2,275			2,197			2,202		2,235		2,179		1,997
Restructuring charge		-			3,022			(77	)		(24	)		-		-		-		-
Total costs and expenses		101,769			104,882			101,787			100,516			102,739		106,186		106,255		110,090
Operating income		41,720			49,259			51,096			43,570			27,830		35,685		36,096		34,276
Other (loss) income, net		(371	)		(68	)		207			(580	)		721		986		1,538		(901	)
Income before income taxes		41,349			49,191			51,303			42,990			28,551		36,671		37,634		33,375
Income tax provision		13,125			18,047			18,704			18,476			5,899		9,003		9,179		7,460
Net income	$	28,224		$	31,144		$	32,599		$	24,514		$	22,652	$	27,668	$	28,455	$	25,915
Basic earnings per share	$	0.40		$	0.45		$	0.47		$	0.36		$	0.34	$	0.42	$	0.43	$	0.40
Diluted earnings per share	$	0.40		$	0.45		$	0.47		$	0.36		$	0.33	$	0.42	$	0.43	$	0.40
Shares used in computing basic earnings per share		69,973			69,227			68,928			68,485			67,553		66,429		65,658		65,199
Shares used in computing diluted earnings per share		70,247			69,421			69,135			68,791			67,736		66,535		65,901		65,526

SCHEDULE II-VALUATION AND QUALIFYING ACCOUNTS

12 Months Ended

Dec. 31, 2018

Valuation And Qualifying Accounts [Abstract]

SCHEDULE II-VALUATION AND QUALIFYING ACCOUNTS

SCHEDULE II

MANHATTAN ASSOCIATES, INC. AND SUBSIDIARIES

VALUATION AND QUALIFYING ACCOUNTS

(in thousands)

Classification:	Balance at Beginning of Period		Additions Charged to Operations		Net Deductions			Balance at End of Period
Allowance for Doubtful Accounts
For the year ended:
December 31, 2016	$	7,031	$	4,889	$	8,325	(a)	$	3,595
December 31, 2017	$	3,595	$	1,574	$	2,477	(a)	$	2,692
December 31, 2018	$	2,692	$	3,876	$	3,979	(a)	$	2,589

Deferred Tax Asset Valuation Allowance
For the year ended:
December 31, 2016	$	4,916	$	-	$	885	(b)	$	4,031
December 31, 2017	$	4,031	$	53	$	-	(b)	$	4,084
December 31, 2018	$	4,084	$	-	$	238	(b)	$	3,846

Restructuring Charge Accrual
For the year ended:
December 31, 2017	$	-	$	2,921	$	2,921	(c)	$	-

(a)	Represents write-offs of accounts, net of recoveries.

(b)	Represents current year releases credited to expenses and current year reductions due to decreases in net deferred tax assets.

Organization, Consolidation and Summary of Significant Accounting Policies (Policies)

12 Months Ended

Dec. 31, 2018

Accounting Policies [Abstract]

Risks Associated with Single Business Line, Technological Advances, and Foreign Operations

Principles of Consolidation and Foreign Currency Translation

New Accounting Pronouncements Adopted in Fiscal Year 2018 and Not Yet Adopted

New Accounting Pronouncements Adopted in Fiscal Year 2018

Revenue Recognition

Stock Compensation

New Accounting Pronouncements Not Yet Adopted as of December 31, 2018

Leases

Cash and Cash Equivalents

We consider all highly liquid investments purchased with original maturities of three months or less to be cash or cash equivalents.

Concentrations of Credit Risk

Fair Value Measurement

•

Level 1–Quoted prices in active markets for identical instruments.

•

Level 3–Valuations derived from valuation techniques in which one or more significant inputs or significant value drivers are unobservable.

Use of Estimates

Revenue Recognition

Nature of Products and Services

Significant Judgements

Contract Balances

No revenue was recognized in 2018 from performance obligations that were satisfied in prior periods.

Remaining Performance Obligations

Returns and Allowances

We have not experienced significant returns or warranty claims to date and, as a result, have not recorded a provision for the cost of returns and product warranty claims.

Deferred Commissions

Property and Equipment

Property and equipment consist of the following (in thousands):

	December 31,
	2018			2017
Office equipment	$	39,633		$	39,644
Furniture and fixtures		4,610			4,662
Leasehold improvement		19,430			18,494
Property and equipment, gross		63,673			62,800
Less accumulated depreciation		(49,355	)		(47,307	)
Property and equipment, net	$	14,318		$	15,493

Software Development Costs

Impairment of Long-Lived Assets

Goodwill and Impairment of Goodwill

Goodwill

Impairment of Goodwill

Guarantees and Indemnities

Segment Information

We have three reportable segments as defined by the FASB Codification topic for segment reporting: Americas, EMEA, and APAC. See Note 7 for a discussion of our reportable segments.

Basic and Diluted Net Income Per Share

Basic net income per share is computed using net income divided by the weighted average number of shares of common stock outstanding (“Weighted Shares”) for the period presented.

	Year Ended December 31,
	2018		2017		2016
	(in thousands, except per share data)
Net income	$	104,690	$	116,481	$	124,234
Earnings per share:
Basic	$	1.58	$	1.68	$	1.73
Effect of CESs		-		-		(0.01	)
Diluted	$	1.58	$	1.68	$	1.72

Weighted average number of shares:
Basic		66,201		69,175		71,674
Effect of CESs		233		249		386
Diluted		66,434		69,424		72,060

The number of anti-dilutive CESs in 2018, 2017 and 2016 was immaterial. See Note 2 for further information on those securities.

Accumulated Other Comprehensive Income

Accounting for Income Taxes

Equity-Based Compensation

We account for equity-based compensation in accordance with ASC 718, Compensation – Stock Compensation. See Note 2 for further information.

Advertising Costs

Advertising costs

We expense advertising costs as incurred. Advertising expense was $2.9 million in 2018 and immaterial for 2017 and 2016.

Income Taxes (Tables)

12 Months Ended

Dec. 31, 2018

Income Tax Disclosure [Abstract]

Components of Deferred Tax Assets and Liabilities

We present below significant components of our deferred tax assets and liabilities as of December 31, 2018 and 2017 (in thousands):

	December 31,
	2018			2017
Deferred tax assets:
Accounts receivable	$	599		$	618
Accrued liabilities		5,075			2,571
Equity-based compensation		4,643			3,732
Capitalized costs		911			595
Accrued sales taxes		202			257
Deferred rent		96			336
State tax credits		5,495			5,870
Foreign subsidiary net operating losses		175			278
Valuation allowance		(3,846	)		(4,084	)
Other		778			297
		14,128			10,470
Deferred tax liabilities:
Intangible assets		7,502			7,480
Depreciation		1,237			1,182
		8,739			8,662
Net deferred tax assets	$	5,389		$	1,808

Components of Income from Domestic and Foreign Operations Before Income Tax Expense

We present below income from domestic and foreign operations before income tax expense for 2018, 2017 and 2016 (in thousands):

	Year Ended December 31,
	2018		2017		2016
Domestic	$	126,542	$	177,314	$	186,234
Foreign		9,689		7,519		9,873
Total	$	136,231	$	184,833	$	196,107

Components of Income Tax Provision

We present below the components of our income tax provision for 2018, 2017 and 2016 (in thousands):

	Year Ended December 31,
	2018			2017			2016
Current:
Federal	$	22,606		$	53,998		$	56,053
State		6,182			6,595			8,204
Foreign		7,018			6,185			5,819
		35,806			66,778			70,076
Deferred:
Federal		(3,127	)		1,590			2,086
State		(674	)		35			(268	)
Foreign		(464	)		(51	)		(21	)
		(4,265	)		1,574			1,797
Total	$	31,541		$	68,352		$	71,873

Reconciliation of Statutory U.S. Federal Rate and Tax Effective Rates

We present below a summary of the items that cause recorded income taxes to differ from taxes computed using the statutory federal income tax rate for 2018, 2017 and 2016:

	Year Ended December 31,
	2018			2017			2016

Statutory federal income tax rate		21.0	%		35.0	%		35.0	%
Effect of:
State income tax, net of federal benefit		3.4			2.3			2.7
State credit carryforwards		0.3			(0.1	)		(0.2	)
U.S. federal R&D tax credit		(1.7	)		(0.8	)		(0.7	)
Tax Reform		(0.1	)		1.5			-
Excess benefit of equity compensation		(0.6	)		(1.0	)		-
Foreign-derived intangible income (FDII) deduction		(1.6	)		-			-
Foreign operations		1.2			(0.1	)		(0.2	)
Tax contingencies		0.5			-			0.6
Other permanent differences		1.0			0.3			(0.5	)
Change in valuation allowance		(0.2	)		(0.1	)		(0.1	)
Income taxes		23.2	%		37.0	%		36.6	%

Reconciliation of Unrecognized Tax Benefits

A reconciliation of the beginning and ending amount of unrecognized tax benefits is as follows for 2018, 2017 and 2016 (in thousands):

	December 31,
	2018		2017				2016

Unrecognized tax benefits at January 1,	$	(7,419		)	$	(6,938		)	$	(5,789	)
Gross amount of increases in unrecognized tax benefits as a result of tax positions taken during a prior period		(873		)		(789		)		(756	)
Gross amount of decreases in unrecognized tax benefits as a result of tax positions taken during a prior period		233				145				270
Gross amount of increases in unrecognized tax benefits as a result of tax positions taken during the current period		(78		)		-				(791	)
Reductions to unrecognized tax benefits relating to settlements with taxing authorities		349				-				-
Reductions to unrecognized tax benefits as a result of a lapse of the applicable statute of limitations		675				163				128
Unrecognized tax benefits at December 31,	$	(7,113		)	$	(7,419		)	$	(6,938	)

Segment Reporting (Tables)

12 Months Ended

Dec. 31, 2018

Segment Reporting [Abstract]

Schedule of Financial Information by Reportable Segment

In accordance with the segment reporting topic of the FASB Codification, we present below certain financial information by reportable segment for 2018, 2017 and 2016 (in thousands):

	Year Ended December 31,
	2018								2017
	Americas		EMEA		APAC		Consolidated		Americas		EMEA		APAC		Consolidated
Revenue:
Cloud subscriptions	$	20,611	$	2,075	$	418	$	23,104	$	9,274	$	322	$	-	$	9,596
Software license		28,423		11,406		5,539		45,368		44,145		22,875		5,293		72,313
Maintenance		117,489		20,933		8,611		147,033		116,426		18,710		7,862		142,998
Services		265,165		50,328		14,192		329,685		264,186		43,431		18,885		326,502
Hardware		13,798		2		167		13,967		43,118		11		61		43,190
Total revenue		445,486		84,744		28,927		559,157		477,149		85,349		32,101		594,599

Costs and Expenses:
Cost of revenue		183,563		43,080		14,238		240,881		195,152		36,124		14,457		245,733
Operating expenses		156,793		14,484		4,499		175,776		134,167		12,761		4,312		151,240
Depreciation and amortization		7,601		743		269		8,613		8,324		527		209		9,060
Restructuring charge		-		-		-		-		2,813		108		-		2,921
Total costs and expenses		347,957		58,307		19,006		425,270		340,456		49,520		18,978		408,954
Operating income	$	97,529	$	26,437	$	9,921	$	133,887	$	136,693	$	35,829	$	13,123	$	185,645

	Year Ended December 31, 2016
	Americas		EMEA		APAC		Consolidated
Revenue:
Cloud subscriptions	$	5,783	$	-	$	-	$	5,783
Software license		65,351		9,187		4,675		79,213
Maintenance		111,592		15,117		7,139		133,848
Services		296,983		41,969		12,833		351,785
Hardware		33,875		9		44		33,928
Total revenue		513,584		66,282		24,691		604,557

Costs and Expenses:
Cost of revenue		206,687		30,711		12,481		249,879
Operating expenses		133,637		12,983		4,661		151,281
Depreciation and amortization		8,313		528		249		9,090
Restructuring charge		-		-		-		-
Total costs and expenses		348,637		44,222		17,391		410,250
Operating income	$	164,947	$	22,060	$	7,300	$	194,307

Goodwill, Long-Lived Assets and Total Assets by Reportable Segment

In the following table, we present goodwill, long-lived assets, and total assets by reportable segment as of December 31, 2018 and 2017 (in thousands):

	As of December 31, 2018								As of December 31, 2017
	Americas		EMEA		APAC		Consolidated		Americas		EMEA		APAC		Consolidated
Goodwill, net	$	54,766	$	5,511	$	1,963	$	62,240	$	54,766	$	5,519	$	1,963	$	62,248
Long lived assets		20,251		3,161		674		24,086		19,424		2,846		527		22,797
Total assets		256,948		37,777		12,425		307,150		271,704		32,308		10,983		314,995

Quarterly Results of Operations (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2018

Quarterly Financial Information Disclosure [Abstract]

Quarterly Results of Operations

Such unaudited quarterly results have been prepared on substantially the same basis as the audited Consolidated Financial Statements.

	Quarter Ended
	Mar 31, 2017			Jun 30, 2017			Sep 30, 2017			Dec 31, 2017			Mar 31, 2018		Jun 30, 2018		Sep 30, 2018		Dec 31, 2018
	(In thousands, except per share data)
Statements of Income Data:
Revenue:
Cloud subscriptions	$	1,496		$	2,378		$	2,534		$	3,188		$	4,469	$	5,377	$	6,455	$	6,803
Software license		21,277			20,064			16,260			14,712			7,555		12,973		11,526		13,314
Maintenance		33,376			35,959			36,338			37,325			36,397		36,993		37,177		36,466
Services		79,781			85,327			84,211			77,183			78,757		82,267		84,136		84,525
Hardware		7,559			10,413			13,540			11,678			3,391		4,261		3,057		3,258
Total revenue		143,489			154,141			152,883			144,086			130,569		141,871		142,351		144,366
Costs and expenses:
Cost of software license		1,352			1,438			1,316			1,377			1,308		2,096		1,211		682
Cost of cloud subscriptions, maintenance and services		54,899			53,109			51,103			48,934			56,486		56,985		59,975		62,138
Cost of hardware		5,370			7,766			10,653			8,416			-		-		-		-
Research and development		14,225			14,102			14,747			14,630			17,059		18,176		18,453		18,208
Sales and marketing		11,789			11,732			10,739			13,222			12,884		13,809		10,726		13,843
General and administrative		11,872			11,387			11,031			11,764			12,800		12,885		13,711		13,222
Depreciation and amortization		2,262			2,326			2,275			2,197			2,202		2,235		2,179		1,997
Restructuring charge		-			3,022			(77	)		(24	)		-		-		-		-
Total costs and expenses		101,769			104,882			101,787			100,516			102,739		106,186		106,255		110,090
Operating income		41,720			49,259			51,096			43,570			27,830		35,685		36,096		34,276
Other (loss) income, net		(371	)		(68	)		207			(580	)		721		986		1,538		(901	)
Income before income taxes		41,349			49,191			51,303			42,990			28,551		36,671		37,634		33,375
Income tax provision		13,125			18,047			18,704			18,476			5,899		9,003		9,179		7,460
Net income	$	28,224		$	31,144		$	32,599		$	24,514		$	22,652	$	27,668	$	28,455	$	25,915
Basic earnings per share	$	0.40		$	0.45		$	0.47		$	0.36		$	0.34	$	0.42	$	0.43	$	0.40
Diluted earnings per share	$	0.40		$	0.45		$	0.47		$	0.36		$	0.33	$	0.42	$	0.43	$	0.40
Shares used in computing basic earnings per share		69,973			69,227			68,928			68,485			67,553		66,429		65,658		65,199
Shares used in computing diluted earnings per share		70,247			69,421			69,135			68,791			67,736		66,535		65,901		65,526

Organization, Consolidation and Summary of Significant Accounting Policies - Additional Information (Detail)	3 Months Ended								12 Months Ended
	Dec. 31, 2018 USD ($)	Sep. 30, 2018 USD ($)	Jun. 30, 2018 USD ($)	Mar. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Sep. 30, 2017 USD ($)	Jun. 30, 2017 USD ($)	Mar. 31, 2017 USD ($)	Dec. 31, 2018 USD ($) Customer Segment	Dec. 31, 2017 USD ($) Customer	Dec. 31, 2016 USD ($) Customer	Jan. 01, 2018 USD ($)
Organization Consolidation And Summary Of Significant Accounting Policies [Line Items]
Revenue	$ 144,366,000	$ 142,351,000	$ 141,871,000	$ 130,569,000	$ 144,086,000	$ 152,883,000	$ 154,141,000	$ 143,489,000	$ 559,157,000	$ 594,599,000	$ 604,557,000
Cost									240,881,000	245,733,000	249,879,000
Sales and marketing	13,843,000	10,726,000	13,809,000	12,884,000	13,222,000	10,739,000	11,732,000	11,789,000	$ 51,262,000	$ 47,482,000	$ 48,223,000
Percentage of revenue accounted for by top 5 customers									13.00%	9.00%	12.00%
Number of customers accounting for more than 10% of revenue \| Customer									0	0	0
Number of customers accounting for more than 10% of accounts receivable \| Customer									0	0
Cash	78,500,000								$ 78,500,000
Cash equivalents	20,700,000								20,700,000
Short-term investments	1,440,000								1,440,000
Long-term investments	0								0
Certificates of deposit	11,000,000.0								11,000,000.0
Money market funds	9,700,000								9,700,000
Investments	0								0
Expense reimbursement included in services revenue									16,800,000	$ 17,900,000	$ 18,300,000
Revenue recognized in the reporting period from performance obligations satisfied in prior periods									0
Revenue expected to be recognized from remaining performance obligations	77,000,000.0								$ 77,000,000.0
Remaining performance obligation, explanation									We expect to recognize revenue on approximately 60% of these remaining performance obligations over the next 24 months with the balance recognized thereafter.
Percentage of expected revenue recognition									60.00%
Provision for cost of return and product warranty claims recorded	0								$ 0
Allowance for doubtful accounts recorded to operations									$ 3,900,000	1,600,000	4,900,000
Revenue, practical expedient, remaining performance obligation, description									We apply the practical expedient to expense sales commissions when the amortization period would have been one year or less.
Amortization of sales commissions									$ 1,000,000.0
Impairment losses									0
Depreciation expense									7,500,000	7,700,000	7,500,000
Amortization of intangibles									1,200,000	1,300,000	1,600,000
Impairment of long-lived assets									0	0	0
Impairment of intangible assets									0	0	0
Goodwill, net	62,240,000				62,248,000				62,240,000	62,248,000
Impairment of goodwill									$ 0	0
Customer's license amortization period									5 years
Number of reportable segments \| Segment									3
Advertising expense									$ 2,900,000
Office Equipment
Organization Consolidation And Summary Of Significant Accounting Policies [Line Items]
Property and equipment estimated useful life									5 years
Furniture and Fixtures
Organization Consolidation And Summary Of Significant Accounting Policies [Line Items]
Property and equipment estimated useful life									7 years
Leasehold Improvements
Organization Consolidation And Summary Of Significant Accounting Policies [Line Items]
Leasehold improvements useful life									lesser of their useful lives or the term of the lease.
Balance as of December 31, 2017
Organization Consolidation And Summary Of Significant Accounting Policies [Line Items]
Deferred revenue recognized									$ 72,800,000
Sales Commission
Organization Consolidation And Summary Of Significant Accounting Policies [Line Items]
Deferred commissions	3,500,000								3,500,000
Sales Commission \| Other Assets
Organization Consolidation And Summary Of Significant Accounting Policies [Line Items]
Deferred commissions	2,400,000								2,400,000
Sales Commission \| Prepaid Expenses
Organization Consolidation And Summary Of Significant Accounting Policies [Line Items]
Deferred commissions	1,100,000								1,100,000
Americas
Organization Consolidation And Summary Of Significant Accounting Policies [Line Items]
Revenue									445,486,000	477,149,000	513,584,000
Cost									183,563,000	195,152,000	206,687,000
Accounts receivable, net	80,500,000				71,800,000				80,500,000	71,800,000
Goodwill, net	54,766,000				54,766,000				54,766,000	54,766,000
EMEA
Organization Consolidation And Summary Of Significant Accounting Policies [Line Items]
Revenue									84,744,000	85,349,000	66,282,000
Cost									43,080,000	36,124,000	30,711,000
Accounts receivable, net	15,200,000				16,100,000				15,200,000	16,100,000
Goodwill, net	5,511,000				5,519,000				5,511,000	5,519,000
APAC
Organization Consolidation And Summary Of Significant Accounting Policies [Line Items]
Revenue									28,927,000	32,101,000	24,691,000
Cost									14,238,000	14,457,000	12,481,000
Accounts receivable, net	4,400,000				4,300,000				4,400,000	4,300,000
Goodwill, net	1,963,000				1,963,000				1,963,000	1,963,000
Hardware
Organization Consolidation And Summary Of Significant Accounting Policies [Line Items]
Revenue	$ 3,258,000	$ 3,057,000	$ 4,261,000	$ 3,391,000	11,678,000	13,540,000	10,413,000	7,559,000	13,967,000	43,190,000	33,928,000
Cost					$ 8,416,000	$ 10,653,000	$ 7,766,000	$ 5,370,000		32,205,000	23,426,000
Hardware \| Americas
Organization Consolidation And Summary Of Significant Accounting Policies [Line Items]
Revenue									13,798,000	43,118,000	33,875,000
Hardware \| EMEA
Organization Consolidation And Summary Of Significant Accounting Policies [Line Items]
Revenue									2,000	11,000	9,000
Hardware \| APAC
Organization Consolidation And Summary Of Significant Accounting Policies [Line Items]
Revenue									167,000	61,000	44,000
Topic 605 \| Difference between Revenue Guidance in Effect before and after Topic 606
Organization Consolidation And Summary Of Significant Accounting Policies [Line Items]
Sales and marketing									2,500,000
Topic 605 \| Hardware \| Difference between Revenue Guidance in Effect before and after Topic 606
Organization Consolidation And Summary Of Significant Accounting Policies [Line Items]
Revenue									35,900,000
Cost									35,900,000
Retained Earnings \| ASU 2016-09
Organization Consolidation And Summary Of Significant Accounting Policies [Line Items]
Net cumulative-effect of election from adoption of accounting guidance												$ 2,000,000.0
Other Income (Loss), Net
Organization Consolidation And Summary Of Significant Accounting Policies [Line Items]
Foreign exchange gain (loss)									$ 1,300,000	$ (1,800,000)	$ 600,000

Components of Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Deferred tax assets:
Accounts receivable	$ 599	$ 618
Accrued liabilities	5,075	2,571
Equity-based compensation	4,643	3,732
Capitalized costs	911	595
Accrued sales taxes	202	257
Deferred rent	96	336
State tax credits	5,495	5,870
Foreign subsidiary net operating losses	175	278
Valuation allowance	(3,846)	(4,084)
Other	778	297
Deferred Tax Assets, Net of Valuation Allowance, Total	14,128	10,470
Deferred tax liabilities:
Intangible assets	7,502	7,480
Depreciation	1,237	1,182
Deferred Tax Liabilities, Net, Total	8,739	8,662
Net deferred tax assets	$ 5,389	$ 1,808

Income Taxes - Additional Information (Detail) - USD ($)	1 Months Ended	3 Months Ended	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Income Taxes [Line Items]
Income tax benefits related to exercise of stock options			$ 0	$ 0	$ 100,000
Net operating loss carry-forwards		$ 700,000	700,000
Tax credit carry-forwards		7,000,000.0	7,000,000.0
Tax credit carry-forwards deferred tax asset	$ 5,870,000	5,495,000	5,495,000	$ 5,870,000
Tax credit carry-forwards, valuation allowance		2,800,000	2,800,000
Undistributed earnings and profits		52,700,000	52,700,000
Provisional estimate of one-time deemed repatriation transition tax	3,300,000
Deferred tax asset provisional write-down income tax expense benefit	700,000
Additional tax expense (benefit) on finalization of transition tax		300,000	$ (500,000)
Effective income tax rate from remeasurement of deferred tax assets and liabilities			21.00%	35.00%	35.00%
One-time tax benefit from remeasurement of deferred tax assets and liabilities	1,200,000
Unrecognized tax benefits	7,419,000	7,113,000	$ 7,113,000	$ 7,419,000	$ 6,938,000	$ 5,789,000
Unrecognized tax benefits which, if recognized, would affect the effective tax rate	5,600,000	5,400,000	5,400,000	5,600,000
Accrued interest and penalties recognized related to unrecognized tax benefits			500,000	300,000	$ 300,000
Accrued interest and penalties	$ 1,700,000	2,100,000	2,100,000	$ 1,700,000
Decrease in unrecognized tax benefits in 2013, reasonably possible amount		$ 2,400,000	$ 2,400,000
Earliest Tax Year
Income Taxes [Line Items]
Operating loss carryforwards, expiration dates			2019
Tax credit carry-forwards, expiration dates			2019
Latest Tax Year
Income Taxes [Line Items]
Operating loss carryforwards, expiration dates			2025
Tax credit carry-forwards, expiration dates			2028

Quarterly Results of Operations (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Revenue:
Total revenue	$ 144,366	$ 142,351	$ 141,871	$ 130,569	$ 144,086	$ 152,883	$ 154,141	$ 143,489	$ 559,157	$ 594,599	$ 604,557
Costs and expenses:
Total costs									240,881	245,733	249,879
Research and development	18,208	18,453	18,176	17,059	14,630	14,747	14,102	14,225	71,896	57,704	54,736
Sales and marketing	13,843	10,726	13,809	12,884	13,222	10,739	11,732	11,789	51,262	47,482	48,223
General and administrative	13,222	13,711	12,885	12,800	11,764	11,031	11,387	11,872	52,618	46,054	48,322
Depreciation and amortization	1,997	2,179	2,235	2,202	2,197	2,275	2,326	2,262	8,613	9,060	9,090
Restructuring charge					(24)	(77)	3,022			2,921
Total costs and expenses	110,090	106,255	106,186	102,739	100,516	101,787	104,882	101,769	425,270	408,954	410,250
Operating income	34,276	36,096	35,685	27,830	43,570	51,096	49,259	41,720	133,887	185,645	194,307
Other (loss) income, net	(901)	1,538	986	721	(580)	207	(68)	(371)	1,277	(1,986)	639
Income before income taxes	33,375	37,634	36,671	28,551	42,990	51,303	49,191	41,349	136,231	184,833	196,107
Income tax provision	7,460	9,179	9,003	5,899	18,476	18,704	18,047	13,125	31,541	68,352	71,873
Net income	$ 25,915	$ 28,455	$ 27,668	$ 22,652	$ 24,514	$ 32,599	$ 31,144	$ 28,224	$ 104,690	$ 116,481	$ 124,234
Basic earnings per share	$ 0.40	$ 0.43	$ 0.42	$ 0.34	$ 0.36	$ 0.47	$ 0.45	$ 0.40	$ 1.58	$ 1.68	$ 1.73
Diluted earnings per share	$ 0.40	$ 0.43	$ 0.42	$ 0.33	$ 0.36	$ 0.47	$ 0.45	$ 0.40	$ 1.58	$ 1.68	$ 1.72
Shares used in computing basic earnings per share	65,199	65,658	66,429	67,553	68,485	68,928	69,227	69,973	66,201	69,175	71,674
Shares used in computing diluted earnings per share	65,526	65,901	66,535	67,736	68,791	69,135	69,421	70,247	66,434	69,424	72,060
Cloud Subscriptions
Revenue:
Total revenue	$ 6,803	$ 6,455	$ 5,377	$ 4,469	$ 3,188	$ 2,534	$ 2,378	$ 1,496	$ 23,104	$ 9,596	$ 5,783
Software License
Revenue:
Total revenue	13,314	11,526	12,973	7,555	14,712	16,260	20,064	21,277	45,368	72,313	79,213
Costs and expenses:
Total costs	682	1,211	2,096	1,308	1,377	1,316	1,438	1,352	5,297	5,483	6,818
Maintenance
Revenue:
Total revenue	36,466	37,177	36,993	36,397	37,325	36,338	35,959	33,376	147,033	142,998	133,848
Services
Revenue:
Total revenue	84,525	84,136	82,267	78,757	77,183	84,211	85,327	79,781	329,685	326,502	351,785
Hardware
Revenue:
Total revenue	3,258	3,057	4,261	3,391	11,678	13,540	10,413	7,559	13,967	43,190	33,928
Costs and expenses:
Total costs					8,416	10,653	7,766	5,370		32,205	23,426
Cost of Cloud Subscriptions, Maintenance and Services
Costs and expenses:
Total costs	$ 62,138	$ 59,975	$ 56,985	$ 56,486	$ 48,934	$ 51,103	$ 53,109	$ 54,899	$ 235,584	$ 208,045	$ 219,635

Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Statement Of Financial Position [Abstract]
Accounts receivable, allowance	$ 2,589	$ 2,692
Preferred stock, par value
Preferred stock, shares authorized	20,000,000	20,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	200,000,000	200,000,000
Common stock, shares issued	64,860,419	67,776,138
Common stock, shares outstanding	64,860,419	67,776,138

Equity-Based Compensation - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	May 19, 2011
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Restricted stock expense	$ 19.9	$ 16.2	$ 15.9
Restricted Stock and Restricted Stock Unit
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Total fair value of restricted stock awards vested	$ 18.1	$ 18.8	$ 26.0
Stock Compensation Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Percentage of restricted stock and restricted stock units awarded for service based vesting	50.00%
Percentage of restricted stock and restricted stock units awarded for performance based vesting	50.00%
Award vesting period (years)	4 years
Non Employee Director Restricted Equity Awards
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Percentage of restricted stock and restricted stock units awarded for service based vesting	100.00%
Award vesting period (years)	1 year
RSUs
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Weighted average grant-date fair value of granted	$ 51.72	$ 49.01	$ 55.35
Unrecognized compensation cost related to unvested restricted stock	$ 30.2
Unrecognized compensation cost related to unvested award, period of recognition	2 years 3 months 18 days
Number of restricted units granted in the period	528,677
Performance Shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of restricted units granted in the period	232,591
2007 Stock Incentive Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Maximum shares available for grant				30,000,000
Shares available for issuance	9,844,416
2007 Stock Incentive Plan \| Stock Options and Stock Appreciation Rights
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Granted share count against share available	1
2007 Stock Incentive Plan \| Stock Options and Stock Appreciation Rights \| Maximum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Award term (years)	7 years
2007 Stock Incentive Plan \| Restricted Stock and Restricted Stock Unit
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Granted share count against share available	2

Summary of Changes in Unvested Units of Restricted Stock (Detail) - Restricted Stock Units - $ / shares	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of units, Outstanding at January 1, 2018	1,036,635
Number of units, Granted	528,677
Number of units, Vested	(379,971)
Number of units, Forfeited	(188,168)
Number of units, Outstanding at December 31, 2018	997,173	1,036,635
Grant date fair value, Outstanding at January 1, 2018	$ 48.83
Grant date fair value, Granted	51.72	$ 49.01	$ 55.35
Grant date fair value, Vested	44.38
Grant date fair value, Forfeited	47.97
Grant date fair value, Outstanding at December 31, 2018	$ 52.22	$ 48.83

Reconciliation of Statutory U.S. Federal Rate and Tax Effective Rates (Detail)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Income Tax Disclosure [Abstract]
Statutory federal income tax rate	21.00%	35.00%	35.00%
State income tax, net of federal benefit	3.40%	2.30%	2.70%
State credit carryforwards	0.30%	(0.10%)	(0.20%)
U.S. federal R&D tax credit	(1.70%)	(0.80%)	(0.70%)
Tax Reform	(0.10%)	1.50%
Excess benefit of equity compensation	(0.60%)	(1.00%)
Foreign-derived intangible income (FDII) deduction	(1.60%)
Foreign operations	1.20%	(0.10%)	(0.20%)
Tax contingencies	0.50%		0.60%
Other permanent differences	1.00%	0.30%	(0.50%)
Change in valuation allowance	(0.20%)	(0.10%)	(0.10%)
Income taxes	23.20%	37.00%	36.60%

Shareholders' Equity - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Jan. 31, 2019
Stockholders Equity Note [Line Items]
Common stock shares purchased under publicly-announced share repurchase program	3,147,466	2,695,295	2,821,488
Common stock purchased under publicly-announced share repurchase program, value	$ 143,300,000	$ 124,900,000	$ 158,400,000
Subsequent Event
Stockholders Equity Note [Line Items]
Stock Repurchase program, authorized amount				$ 50,000,000

Organization, Consolidation and Summary of Significant Accounting Policies - Additional Information (Detail 1)	Dec. 31, 2018
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2021-01-01
Organization Consolidation And Summary Of Significant Accounting Policies [Line Items]
Revenue recognized on remaining performance obligations period	24 months

Property and Equipment (Detail) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 63,673	$ 62,800
Less accumulated depreciation	(49,355)	(47,307)
Property and equipment, net	14,318	15,493
Office Equipment
Property Plant And Equipment [Line Items]
Property and equipment, gross	39,633	39,644
Furniture and Fixtures
Property Plant And Equipment [Line Items]
Property and equipment, gross	4,610	4,662
Leasehold Improvements
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 19,430	$ 18,494

Aggregate Future Minimum Lease Payments Under Noncancellable Operating Leases (Detail) $ in Thousands	Dec. 31, 2018 USD ($)
Operating Leases Future Minimum Payments Due [Abstract]
2019	$ 6,196
2020	5,616
2021	5,359
2022	5,129
2023	5,185
Thereafter	10,451
Total minimum payments required	$ 37,936

Goodwill, Long-Lived Assets and Total Assets by Reportable Segment (Detail) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Segment Reporting Information [Line Items]
Goodwill, net	$ 62,240	$ 62,248
Long lived assets	24,086	22,797
Total assets	307,150	314,995
Americas
Segment Reporting Information [Line Items]
Goodwill, net	54,766	54,766
Long lived assets	20,251	19,424
Total assets	256,948	271,704
EMEA
Segment Reporting Information [Line Items]
Goodwill, net	5,511	5,519
Long lived assets	3,161	2,846
Total assets	37,777	32,308
APAC
Segment Reporting Information [Line Items]
Goodwill, net	1,963	1,963
Long lived assets	674	527
Total assets	$ 12,425	$ 10,983

Restructuring Charge - Additional Information (Detail) $ / shares in Units, $ in Thousands	1 Months Ended	3 Months Ended			12 Months Ended
	May 31, 2017 Employee	Dec. 31, 2017 USD ($)	Sep. 30, 2017 USD ($)	Jun. 30, 2017 USD ($)	Dec. 31, 2017 USD ($) $ / shares
Restructuring And Related Activities [Abstract]
Number of positions eliminated \| Employee	100
Restructuring charge pre-tax		$ (24)	$ (77)	$ 3,022	$ 2,921
Restructuring charge after-tax					$ 1,800
Restructuring charge per fully diluted share \| $ / shares					$ 0.03