Unaudited Condensed Consolidated Statements Of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 29, 2013	Sep. 30, 2012	Sep. 29, 2013	Sep. 30, 2012
Net revenue	$ 361,895	$ 315,210	$ 1,013,013	$ 961,485
Cost of revenue	260,236	217,522	720,187	669,310
Gross profit	101,659	97,688	292,826	292,175
Operating expenses:
Research and development	23,320	17,399	62,639	46,277
Sales and marketing	39,465	37,600	116,260	114,247
General and administrative	11,930	11,888	36,576	33,520
Restructuring and other charges	400	0	1,957	0
Litigation reserves, net	305	269	3,908	420
Impairment charges	2,000	0	2,000	0
Total operating expenses	77,420	67,156	223,340	194,464
Income from operations	24,239	30,532	69,486	97,711
Interest income	71	109	315	344
Other income, net	511	3,070	37	2,823
Income before income taxes	24,821	33,711	69,838	100,878
Provision for income taxes	10,364	9,920	26,053	30,418
Net income	$ 14,457	$ 23,791	$ 43,785	$ 70,460
Net income per share:
Basic (in dollars per share)	$ 0.37	$ 0.62	$ 1.14	$ 1.86
Diluted (in dollars per share)	$ 0.37	$ 0.61	$ 1.12	$ 1.82
Weighted average shares outstanding used to compute net income per share:
Basic (in shares)	38,700	38,162	38,562	37,978
Diluted (in shares)	39,198	38,802	39,127	38,682