Lease Obligations (Details) $ in Millions	3 Months Ended
	Mar. 30, 2019 USD ($)
Leases [Abstract]
Operating Lease, Weighted Average Discount Rate, Percent	3.75%
Lessee, Operating Lease, Liability, Payments, Due	$ 556.8
Operating Lease, Cost	37.6
Short-term Lease, Cost	6.8
Variable Lease, Cost	2.1
Sublease Income	(0.6)
Lease, Cost	45.9
Lessee, Operating Lease, Liability, Payments, Due Next Rolling Twelve Months	105.5
Lessee, Operating Lease, Liability, Payments, Due Year Two	115.9
Lessee, Operating Lease, Liability, Payments, Due Year Three	87.2
Lessee, Operating Lease, Liability, Payments, Due Year Four	63.5
Lessee, Operating Lease, Liability, Payments, Due Year Five	45.1
Capital Leases, Future Minimum Payments Due Thereafter	139.6
Operating Lease, Right-of-Use Asset	495.0
Operating Lease, Payments	$ 38.2
Operating Lease, Weighted Average Remaining Lease Term	6 years
Increase in lease liability	$ 47.0