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CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Revenues: |  |  |  |  |  |
Software license fees | $ 221,846 |  | $ 189,820 |  | $ 164,559 |
Maintenance fees | 199,876 |  | 148,357 |  | 135,523 |
Services | 131,536 |  | 79,770 |  | 73,989 |
Software hosting fees | 113,321 |  | 47,148 |  | 44,353 |
Total revenues | 666,579 |  | 465,095 |  | 418,424 |
Expenses: |  |  |  |  |  |
Cost of software license fees | 23,592 | [1] | 15,418 | [1] | 12,591 | [1]
Cost of maintenance, services and hosting fees | 202,052 | [1] | 118,866 | [1] | 117,132 | [1]
Research and development | 133,759 |  | 90,176 |  | 74,076 |
Selling and marketing | 87,054 |  | 80,922 |  | 70,553 |
General and administrative | 108,747 |  | 71,425 |  | 70,096 |
Depreciation and amortization | 37,003 |  | 22,057 |  | 20,328 |
Total expenses | 592,207 |  | 398,864 |  | 364,776 |
Operating income | 74,372 |  | 66,231 |  | 53,648 |
Other income (expense): |  |  |  |  |  |
Interest income | 914 |  | 1,315 |  | 665 |
Interest expense | (10,417) |  | (2,431) |  | (1,996) |
Other, net | 399 |  | (802) |  | (3,615) |
Total other income (expense) | (9,104) |  | (1,918) |  | (4,946) |
Income (loss) before income taxes | 65,268 |  | 64,313 |  | 48,702 |
Income tax expense (benefit) | 16,422 |  | 18,461 |  | 21,507 |
Net income | $ 48,846 |  | $ 45,852 |  | $ 27,195 |
Income (loss) per share information Weighted average shares outstanding |  |  |  |  |  |
Basic | 38,696 |  | 33,457 |  | 33,560 |
Diluted | 39,905 |  | 34,195 |  | 33,870 |
Earnings per share |  |  |  |  |  |
Basic | $ 1.26 |  | $ 1.37 |  | $ 0.81 |
Diluted | $ 1.22 |  | $ 1.34 |  | $ 0.80 |
[1] | The cost of software license fees excludes charges for depreciation but includes amortization of purchased and developed software for resale. The cost of maintenance, services and hosting fees excludes charges for depreciation.

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