Unaudited Condensed Consolidated Statements Of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 28, 2014	Sep. 29, 2013	Sep. 28, 2014	Sep. 29, 2013
Net revenue	$ 353,338	$ 361,895	$ 1,040,333	$ 1,013,013
Cost of revenue	251,005	260,236	742,889	720,187
Gross profit	102,333	101,659	297,444	292,826
Operating expenses:
Research and development	23,337	23,320	67,994	62,639
Sales and marketing	39,283	39,465	117,373	116,260
General and administrative	11,726	11,930	34,995	36,576
Restructuring and other charges	1,360	400	2,190	1,957
Litigation reserves, net	69	305	254	3,908
Impairment charges	0	2,000	0	2,000
Total operating expenses	75,775	77,420	222,806	223,340
Income from operations	26,558	24,239	74,638	69,486
Interest income	68	71	174	315
Other income, net	2,246	511	1,911	37
Income before income taxes	28,872	24,821	76,723	69,838
Provision for income taxes	8,847	10,364	27,582	26,053
Net income	$ 20,025	$ 14,457	$ 49,141	$ 43,785
Net income per share:
Basic (in dollars per share)	$ 0.56	$ 0.37	$ 1.36	$ 1.14
Diluted (in dollars per share)	$ 0.55	$ 0.37	$ 1.34	$ 1.12
Weighted average shares used to compute net income per share:
Basic	35,643	38,700	36,133	38,562
Diluted	36,250	39,198	36,806	39,127