Consolidated Statements of Operations (Unaudited) (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
Net revenue	$ 119,591	$ 110,135	$ 231,728	$ 212,223
Operating expenses:
Cost of revenue	37,830	33,568	73,400	62,337
Research and development	26,536	20,575	50,328	37,452
Selling, general and administrative	41,420	39,409	79,348	85,530
Total operating expenses	105,786	93,552	203,076	185,319
Income from operations	13,805	16,583	28,652	26,904
Legal settlement	0	0	17,984	0
Other income (expense)	61	(117)	872	(428)
Income before income taxes	13,866	16,466	47,508	26,476
Provision for income taxes	(2,426)	(1,040)	(11,827)	(1,618)
Net income	$ 11,440	$ 15,426	$ 35,681	$ 24,858
Basic earnings per common share	$ 0.21	$ 0.29	$ 0.67	$ 0.47
Diluted earnings per common share	$ 0.21	$ 0.29	$ 0.66	$ 0.47
Weighted average number of common shares outstanding:
Basic	53,441	52,819	53,343	52,658
Diluted	54,314	52,924	54,223	52,823