Leasing - Other information (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Leases [Abstract]
Operating cash flows from operating leases	$ 13.4	$ 13.5
Operating cash flows from finance leases	0.9	0.5
Financing cash flows from finance leases	$ 6.1	$ 4.7