Leases Lease Cost (Details) $ in Millions	12 Months Ended
	Dec. 31, 2019 USD ($)
Leases [Abstract]
Operating lease cost	$ 152.7
Lease, Cost [Abstract]
Amortization of assets	11.7
Interest on lease liabilities	0.6
Total finance lease cost	12.3
Variable Lease, Cost	30.4
Sublease Income	$ 12.2