Segment Information (Consolidated Net Sales And Long Lived Assets By Percent) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 03, 2015	Sep. 27, 2014	Oct. 03, 2015	Sep. 27, 2014
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 233,292	$ 191,944	$ 685,914	$ 562,601
China [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	95,147	50,385	273,433	140,368
Long-lived Assets	85,269	81,704	85,269	81,704
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	37,485	34,389	108,629	105,938
Long-lived Assets	$ 58,328	$ 53,322	$ 58,328	53,322
Hong Kong [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales				$ 57,686