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v3.3.1.900

Consolidated Statements Of Comprehensive Income - USD ($) shares in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Income Statement [Abstract] |  |  |
Revenues | $ 1,059,366 | $ 1,010,117 | $ 965,087
Costs and expenses: |  |  |
Cost of revenues | 192,788 | 188,425 | 187,013
Sales and marketing | 90,184 | 92,001 | 89,337
Research and development | 63,718 | 67,777 | 70,297
General and administrative | 106,730 | 97,487 | 90,208
Total costs and expenses | 453,420 | 445,690 | 436,855
Operating income | 605,946 | 564,427 | 528,232
Interest expense | (107,631) | (85,994) | (74,761)
Non-operating income, net | (10,665) | 4,878 | 3,300
Income from continuing operations before income taxes | 487,650 | 483,311 | 456,771
Income tax (expense) benefit | (112,414) | (128,051) | 87,679
Net income | 375,236 | 355,260 | 544,450
Realized foreign currency translation adjustments, included in net income | (291) | 0 | 81
Change in unrealized gain on investments, net of tax | (519) | 84 | (369)
Realized gain on investments, net of tax, included in net income | (185) | 3 | (2,409)
Other comprehensive income (loss) | (995) | 87 | (2,697)
Comprehensive income | $ 374,241 | $ 355,347 | $ 541,753
Earnings per share |  |  |
Earnings Per Share, Basic | $ 3.29 | $ 2.80 | $ 3.77
Earnings Per Share, Diluted | $ 2.82 | $ 2.52 | $ 3.49
Shares used to compute net income per share |  |  |
Basic | 114,155 | 126,710 | 144,591
Diluted | 133,031 | 140,895 | 155,786

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