Income Taxes (Provision for Income Taxes) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 28, 2019	Dec. 29, 2018	Dec. 30, 2017
Current
Federal	$ 1.8	$ 4.5	$ 36.9
State	1.1	0.8	(0.3)
Foreign	35.9	37.9	32.2
Total	38.8	43.2	68.8
Deferred
Federal	20.4	16.6	(7.2)
State	2.6	2.1	2.2
Foreign	(0.6)	(5.5)	(4.7)
Total	22.4	13.2	(9.7)
Total	$ 61.2	$ 56.4	$ 59.1