Unaudited Condensed Consolidated Statements Of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jul. 01, 2012	Jun. 30, 2013	Jul. 01, 2012
Net revenue	$ 357,719	$ 320,655	$ 651,118	$ 646,275
Cost of revenue	254,289	226,017	459,951	451,788
Gross profit	103,430	94,638	191,167	194,487
Operating expenses:
Research and development	23,981	14,757	39,319	28,878
Sales and marketing	40,406	37,677	76,795	76,647
General and administrative	12,319	11,219	24,646	21,632
Restructuring and other changes	1,587	0	1,557	0
Litigation reserves, net	3,555	0	3,603	151
Total operating expenses	81,848	63,653	145,920	127,308
Income from operations	21,582	30,985	45,247	67,179
Interest income	95	116	244	235
Other income (expense), net	(548)	354	(474)	(247)
Income before income taxes	21,129	31,455	45,017	67,167
Provision for income taxes	7,144	9,933	15,689	20,498
Net income	$ 13,985	$ 21,522	$ 29,328	$ 46,669
Net income per share:
Basic (in dollars per share)	$ 0.36	$ 0.57	$ 0.76	$ 1.23
Diluted (in dollars per share)	$ 0.36	$ 0.56	$ 0.75	$ 1.21
Weighted average shares outstanding used to compute net income per share:
Basic (in shares)	38,539	37,978	38,493	37,886
Diluted (in shares)	39,074	38,595	39,077	38,612