Stockholders' Equity - Summary of Stock Option Activity Under all Stock Option Plans (Details) shares in Thousands	6 Months Ended
	Jul. 02, 2017 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Options, Outstanding at period start (in shares) | shares	1,045
Options, Exercised (in shares) | shares	(347)
Options, Outstanding at period end (in shares) | shares	698
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Weighted-Average Exercise Price, Options, Outstanding at period start (in dollars per share) | $ / shares	$ 48.56
Weighted-Average Exercise Price, Options, Exercised (in dollars per share) | $ / shares	40.57
Weighted-Average Exercise Price, Options, Outstanding at period end (in dollars per share) | $ / shares	$ 52.54