Consolidated Statements of Operations (USD $) In Thousands, except Per Share data	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Revenues	$ 612,401	$ 567,339	$ 1,176,092	$ 1,064,962
Cost of revenues	421,318	393,283	800,899	733,842
Gross profit	191,083	174,056	375,193	331,120
Operating expenses
Sales and marketing	48,845	40,974	93,493	82,511
Product development	40,931	33,022	81,376	66,062
General and administrative	35,118	33,285	68,449	66,342
Amortization of intangible assets	16,197	16,766	31,794	34,577
Restructuring	1,907	0	1,907	0
Total operating expenses	142,998	124,047	277,019	249,492
Operating income	48,085	50,009	98,174	81,628
Other income (expense)
Interest income	168	111	476	278
Interest expense	(11,420)	(13,965)	(23,534)	(28,888)
Other income (expense), net	(2,477)	(425)	(4,073)	(1,017)
Total other income (expense)	(13,729)	(14,279)	(27,131)	(29,627)
Income before income taxes	34,356	35,730	71,043	52,001
Income tax (provision) benefit	80	(10,419)	(9,487)	(1,440)
Net income	$ 34,436	$ 25,311	$ 61,556	$ 50,561
Earnings per common share-Basic	$ 0.85	$ 0.63	$ 1.52	$ 1.26
Earnings per common share-Diluted	$ 0.84	$ 0.61	$ 1.50	$ 1.23
Weighted average common shares outstanding-Basic	40,670	40,329	40,608	40,261
Weighted average common shares outstanding-Diluted	41,077	41,161	41,059	41,011