Leasing - Other information (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Leases [Abstract]
Operating cash flows from operating leases	$ 41.4	$ 43.3
Operating cash flows from finance leases	2.5	2.0
Financing cash flows from finance leases	$ 17.9	$ 14.5