Unaudited Condensed Consolidated Statements Of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 02, 2017	Jul. 03, 2016	Jul. 02, 2017	Jul. 03, 2016
Net revenue	$ 330,723	$ 311,655	$ 654,380	$ 621,911
Cost of revenue	238,787	213,867	465,512	423,558
Gross profit	91,936	97,788	188,868	198,353
Operating expenses:
Research and development	23,357	21,804	46,040	43,941
Sales and marketing	36,461	36,089	74,690	73,366
General and administrative	12,950	13,035	26,144	25,884
Restructuring and other charges	22	1,311	59	3,989
Litigation reserves, net	53	35	53	45
Total operating expenses	72,843	72,274	146,986	147,225
Income from operations	19,093	25,514	41,882	51,128
Interest income	482	279	887	513
Other income (expense), net	383	(332)	718	(698)
Income before income taxes	19,958	25,461	43,487	50,943
Provision for income taxes	5,376	9,427	12,911	18,320
Net income	$ 14,582	$ 16,034	$ 30,576	$ 32,623
Net income per share:
Basic (in dollars per share)	$ 0.45	$ 0.49	$ 0.94	$ 1.00
Diluted (in dollars per share)	$ 0.44	$ 0.48	$ 0.91	$ 0.98
Weighted average shares used to compute net income per share:
Basic	32,352	32,639	32,650	32,578
Diluted	33,116	33,493	33,656	33,390