Stockholders' Equity Rollforward (Details) - USD ($) $ in Thousands	6 Months Ended
	Jul. 03, 2016	Jun. 28, 2015
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at beginning of period	$ 752,914	$ 1,717,576
Comprehensive Income	66,931	52,563
Cash dividends	(32,152)	(40,189)
Repurchases of common stock	(109,348)	(63,206)
Share-based compensation	9,925	12,242
Exercises of stock options	6,238	15,278
Vesting of restricted shares	(2,841)	(1,393)
Tax benefit from share-based compensation	1,402	45,452
Other	95	103
Balance at end of period	$ 693,164	$ 1,738,426