Schedule of Supplemental Cash Flow Information Related to Leases (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows for operating leases	$ (68.2)	$ (60.0)
Operating cash flows for finance leases	(1.5)	(1.5)
Financing cash flows for finance leases	(1.1)	(1.2)
Right-of-use assets obtained in exchange for new lease obligations:
Operating leases	(35.7)	(27.7)
Supplemental non-cash information on changes in lease liabilities	34.8	44.5
Supplemental non-cash information on changes in right-of-use assets	$ 35.8	$ 21.4