Leases Schedule of Supplemental Cash Flow Information Related to Leases (Details)	12 Months Ended
	Dec. 31, 2019 USD ($)
Cash paid for amounts included in the measurement of lease liabilities: [Abstract]
Operating cash flows for operating leases	$ 51.0
Operating cash flows for finance leases	1.5
Financing cash flows for finance leases	29.6
Right-of-use assets obtained in exchange for lease obligations: [Abstract]
Operating leases	16.6
Finance leases	$ 1.6