Unaudited Condensed Consolidated Statements Of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 29, 2014	Jun. 30, 2013	Jun. 29, 2014	Jun. 30, 2013
Net revenue	$ 337,604	$ 357,719	$ 686,995	$ 651,118
Cost of revenue	240,418	254,289	491,884	459,951
Gross profit	97,186	103,430	195,111	191,167
Operating expenses:
Research and development	22,476	23,981	44,657	39,319
Sales and marketing	38,179	40,406	78,090	76,795
General and administrative	11,894	12,319	23,269	24,646
Restructuring and other charges	(12)	1,587	830	1,557
Litigation reserves, net	68	3,555	185	3,603
Total operating expenses	72,605	81,848	147,031	145,920
Income from operations	24,581	21,582	48,080	45,247
Interest income	49	95	106	244
Other expense, net	(227)	(548)	(335)	(474)
Income before income taxes	24,403	21,129	47,851	45,017
Provision for income taxes	9,698	7,144	18,735	15,689
Net income	$ 14,705	$ 13,985	$ 29,116	$ 29,328
Net income per share:
Basic (in dollars per share)	$ 0.41	$ 0.36	$ 0.80	$ 0.76
Diluted (in dollars per share)	$ 0.40	$ 0.36	$ 0.79	$ 0.75
Weighted average shares outstanding used to compute net income per share:
Basic (in shares)	36,139	38,539	36,381	38,493
Diluted (in shares)	36,808	39,074	37,052	39,077