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Consolidated Statements of Comprehensive Income - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Revenue      
Subscriptions $ 428,987 $ 331,759 $ 263,435
Maintenance 146,946 153,801 147,418
Services 139,690 132,978 128,371
License fees and other 15,192 19,402 25,197
Total revenue 730,815 637,940 564,421
Cost of revenue      
Cost of subscriptions 213,883 167,341 133,221
Cost of maintenance 22,094 27,066 25,448
Cost of services 96,488 102,815 106,506
Cost of license fees and other 6,755 7,409 8,263
Total cost of revenue 339,220 304,631 273,438
Gross profit 391,595 333,309 290,983
Operating expenses      
Sales, marketing and customer success 155,754 123,646 107,360
Research and development 89,870 84,636 77,179
General and administrative 81,331 76,084 58,277
Amortization 2,840 2,231 1,803
Total operating expenses 329,795 286,597 244,619
Income from operations 61,800 46,712 46,364
Interest expense (10,583) (8,073) (6,011)
Other expense, net (291) (1,687) (1,119)
Income before provision for income taxes 50,926 36,952 39,234
Income tax provision 9,411 11,303 10,944
Net income $ 41,515 $ 25,649 $ 28,290
Earnings per share      
Basic earnings per share $ 0.90 $ 0.56 $ 0.63
Diluted earnings per share $ 0.88 $ 0.55 $ 0.62
Common shares and equivalents outstanding      
Basic weighted average shares 46,132,389 45,623,854 45,215,138
Diluted weighted average shares 47,316,538 46,498,704 45,799,874
Dividends per share (in dollars per share) $ 0.48 $ 0.48 $ 0.48
Other comprehensive income      
Foreign currency translation adjustment $ 324 $ 62 $ 261
Unrealized gain on derivative instruments, net of tax 44 145 92
Total other comprehensive income 368 207 353
Comprehensive income $ 41,883 $ 25,856 $ 28,643