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v3.3.1.900

Quarterly Results (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2015 | Sep. 30, 2015 | Jun. 30, 2015 | Mar. 31, 2015 | Dec. 31, 2014 | Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Quarterly Results [Abstract] |  |  |  |  |  |  |  |  |  |  |
Revenue | $ 572,200 | $ 571,300 | $ 560,200 | $ 543,300 | $ 609,600 | $ 638,800 | $ 650,000 | $ 671,100 | $ 2,247,047 | $ 2,569,495 | $ 3,176,718
Gross profit | 450,800 | 418,600 | 449,900 | 438,300 | 503,100 | 529,500 | 494,000 | 564,400 | 1,757,537 | 2,091,061 | 2,670,912
Operating income | 61,700 | 42,500 | 71,800 | 68,600 | 91,300 | 105,000 | 54,700 | 101,200 | 244,702 | 352,188 | 554,112
Net income | $ 35,800 | $ 16,300 | $ 44,700 | $ 36,300 | $ 46,500 | $ 68,300 | $ 19,500 | $ 54,900 | $ 133,046 | $ 189,176 | $ 364,888
Net income per share [Abstract] |  |  |  |  |  |  |  |  |  |  |
Basic (in dollars per share) | $ 0.63 | $ 0.28 | $ 0.76 | $ 0.62 | $ 0.79 | $ 1.15 | $ 0.33 | $ 0.93 | $ 2.29 | $ 3.20 | $ 6.23
Diluted (in dollars per share) | $ 0.62 | $ 0.28 | $ 0.75 | $ 0.60 | $ 0.77 | $ 1.12 | $ 0.32 | $ 0.90 | $ 2.25 | $ 3.11 | $ 5.94

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