Unaudited Condensed Consolidated Statements Of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Apr. 01, 2012	Apr. 03, 2011
Net revenue	$ 325,620	$ 278,823
Cost of revenue	225,771	191,037
Gross profit	99,849	87,786
Operating expenses:
Research and development	14,121	11,014
Sales and marketing	38,970	36,648
General and administrative	10,413	9,645
Litigation reserves, net	151	(53)
Total operating expenses	63,655	57,254
Income from operations	36,194	30,532
Interest income	119	129
Other income (expense), net	(601)	(330)
Income before income taxes	35,712	30,331
Provision for income taxes	10,565	9,142
Net income	$ 25,147	$ 21,189
Net income per share:
Basic (in dollars per share)	$ 0.67	$ 0.58
Diluted (in dollars per share)	$ 0.65	$ 0.57
Weighted average shares outstanding used to compute net income per share:
Basic (in shares)	37,796	36,414
Diluted (in shares)	38,576	37,340