Quarterly Financial Data (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Oct. 02, 2016	Jul. 03, 2016	Apr. 03, 2016	Dec. 31, 2015	Sep. 27, 2015	Jun. 28, 2015	Mar. 29, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Quarterly Financial Data [Abstract]
Net revenue	$ 367,929	$ 338,458	$ 311,655	$ 310,256	$ 360,863	$ 341,893	$ 288,782	$ 309,157	$ 1,328,298	$ 1,300,695	$ 1,393,515
Gross Profit	110,710	103,122	97,788	100,565	105,416	96,327	77,656	88,280	412,185	367,679	397,918
Provision for income taxes	11,754	9,144	9,427	8,893	8,927	10,780	7,258	10,015	39,218	36,980	21,973
Net Income	$ 22,109	$ 21,119	$ 16,034	$ 16,589	$ 21,807	$ 15,099	$ 3,667	$ 8,011	$ 75,851	$ 48,584	$ 8,788
Basic net income per share (in dollars per share)	$ 0.67	$ 0.64	$ 0.49	$ 0.51	$ 0.68	$ 0.47	$ 0.11	$ 0.23	$ 2.32	$ 1.47	$ 0.25
Diluted net income per share (in dollars per share)	$ 0.65	$ 0.62	$ 0.48	$ 0.50	$ 0.66	$ 0.47	$ 0.11	$ 0.23	$ 2.25	$ 1.44	$ 0.24