Stockholders' Equity (Stock Repurchase Program) (Details) - USD ($) $ / shares in Units, shares in Millions	3 Months Ended	14 Months Ended
	Jun. 24, 2017	Dec. 24, 2016
Stockholders' Equity Note [Abstract]
Repurchase and retirement of common stock, value	$ 45,600,000	$ 69,800,000
Share repurchase program, amount approved	200,000,000
Remaining amount available for share repurchases under stock repurchase program	$ 130,200,000
Repurchase and retirement of common stock (in shares)	0.7
Average cost per share repurchased (in dollars per share)	$ 64.26