Repurchase of Common Stock (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 02, 2016	Jul. 04, 2015	Jul. 02, 2016	Jul. 04, 2015	Jul. 03, 2016
Repurchase of Common Stock [Abstract]
Amount repurchased under Board-approved share repurchase program	$ 20,000	$ 30,019	$ 70,000	$ 50,026
Stock repurchased through tax withholding on restricted stock	125	1,135	1,366	1,603
Total amount repurchased	$ 20,125	$ 31,154	$ 71,366	$ 51,629
Subsequent Event [Member]
Subsequent Event [Line Items]
Remaining Authorized Amount, Stock Repurchase Program					$ 300,000