Leases Operating Lease Costs (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 29, 2019	Jun. 29, 2019
Leases [Abstract]
Operating Lease, Expense	$ 8.2	$ 16.2
Variable Lease, Cost	3.8	7.3
Short-term Lease, Cost	0.4	0.6
Sublease Income	(0.9)	(1.9)
Lease, Cost	$ 11.5	$ 22.2