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v3.8.0.1

Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Revenues: |  |  |
Software licenses and royalties | $ 75,694 | $ 74,306 | $ 59,008
Subscriptions | 173,510 | 142,704 | 111,933
Software services | 187,149 | 174,804 | 139,852
Maintenance | 361,569 | 322,969 | 245,537
Appraisal services | 25,023 | 26,287 | 25,065
Hardware and other | 17,717 | 14,973 | 9,627
Total revenues | 840,662 | 756,043 | 591,022
Cost of revenues: |  |  |
Software licenses and royalties | 3,321 | 2,964 | 1,632
Acquired software | 21,686 | 22,235 | 4,440
Software services, maintenance and subscriptions | 387,634 | 348,939 | 285,340
Appraisal services | 16,286 | 16,411 | 15,922
Hardware and other | 12,595 | 10,143 | 6,501
Total cost of revenues | 441,522 | 400,692 | 313,835
Gross profit | 399,140 | 355,351 | 277,187
Selling, general and administrative expenses | 176,974 | 167,161 | 133,317
Research and development expense | 47,324 | 43,154 | 29,922
Amortization of customer and trade name intangibles | 36,000 | 36,400 | 10,300
Operating income | 160,930 | 131,305 | 108,043
Other income (expense), net | 698 | (1,998) | 381
Income before income taxes | 161,628 | 129,307 | 108,424
Income tax (benefit) provision | (2,317) | 19,450 | 43,555
Net income | $ 163,945 | $ 109,857 | $ 64,869
Earnings per common share: |  |  |
Basic (USD per share) | $ 4.40 | $ 3.01 | $ 1.90
Diluted (USD per share) | $ 4.18 | $ 2.82 | $ 1.77
Customer and trade name intangibles |  |  |
Cost of revenues: |  |  |
Amortization of customer and trade name intangibles | $ 13,912 | $ 13,731 | $ 5,905

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