Leasing - Other information (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Leases [Abstract]
Operating cash flows from operating leases	$ 27.3	$ 28.9
Operating cash flows from finance leases	1.6	1.3
Financing cash flows from finance leases	$ 12.1	$ 9.6