Lease Obligations (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 28, 2019	Sep. 28, 2019	Jun. 29, 2019
Leases [Abstract]
Operating Lease, Weighted Average Discount Rate, Percent	3.75%	3.75%
Lessee, Operating Lease, Liability, Payments, Due	$ 543.6	$ 543.6
Operating Lease, Cost	37.7	114.0
Short-term Lease, Cost	6.8	20.2
Variable Lease, Cost	2.1	6.4
Sublease Income	(0.6)	(2.1)
Lease, Cost	46.0	138.5
Lessee, Operating Lease, Liability, Payments, Due Next Rolling Twelve Months	37.5	37.5
Lessee, Operating Lease, Liability, Payments, Due Year Two	129.5	129.5
Lessee, Operating Lease, Liability, Payments, Due Year Three	99.0	99.0
Lessee, Operating Lease, Liability, Payments, Due Year Four	72.7	72.7
Lessee, Operating Lease, Liability, Payments, Due Year Five	52.0	52.0
Capital Leases, Future Minimum Payments Due Thereafter	152.9	152.9
Operating Lease, Right-of-Use Asset	485.0	485.0
Operating Lease, Payments	$ 36.8	$ 111.6
Operating Lease, Weighted Average Remaining Lease Term			6 years