Earnings Per Share Additional Information (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 29, 2018	Dec. 30, 2017	Dec. 31, 2016
Earnings Per Share [Line Items]
Anti-dilutive stock options	25,230	1,753,869	3,100,328
Common stock, shares authorized	320,000,000	320,000,000
Preferred stock, shares authorized	2,000,000
Preferred stock, par or stated value Per Share	$ 1
Purchases of shares under employee stock plans	$ (8.8)	$ (5.5)	$ (4.9)
Common stock repurchase program, authorized amount	400.0
Purchase of common stock for treasury	$ (174.7)	(42.3)	(61.9)
Series A junior participating preferred stock [Member]
Earnings Per Share [Line Items]
Preferred stock, shares authorized	150,000
Series B junior participating preferred stock [Member]
Earnings Per Share [Line Items]
Preferred stock, shares authorized	500,000
Treasury Stock [Member]
Earnings Per Share [Line Items]
Purchase of common stock for treasury	$ (174.7)	$ (42.3)	$ (61.9)