Lease Obligations (Details) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 29, 2019 USD ($)	Jun. 29, 2019 USD ($)
Leases [Abstract]
Operating Lease, Weighted Average Discount Rate, Percent	3.75%	3.75%
Lessee, Operating Lease, Liability, Payments, Due	$ 551.7	$ 551.7
Operating Lease, Cost	38.7	76.3
Short-term Lease, Cost	6.6	13.4
Variable Lease, Cost	2.2	4.3
Sublease Income	(0.9)	(1.5)
Lease, Cost	46.6	92.5
Lessee, Operating Lease, Liability, Payments, Due Next Rolling Twelve Months	72.2	72.2
Lessee, Operating Lease, Liability, Payments, Due Year Two	122.0	122.0
Lessee, Operating Lease, Liability, Payments, Due Year Three	92.1	92.1
Lessee, Operating Lease, Liability, Payments, Due Year Four	67.9	67.9
Lessee, Operating Lease, Liability, Payments, Due Year Five	48.7	48.7
Capital Leases, Future Minimum Payments Due Thereafter	148.8	148.8
Operating Lease, Right-of-Use Asset	491.0	491.0
Operating Lease, Payments	$ 36.6	$ 74.8
Operating Lease, Weighted Average Remaining Lease Term	6 years	6 years
Increase in lease liability		$ 78.0