Leases - Lease Balances on Consolidated Balance Sheet (Details) $ in Millions	Mar. 31, 2019 USD ($)
Finance leases:
Property and equipment	$ 5.2
Accumulated depreciation	(0.7)
Property and equipment, net of accumulated depreciation	4.5
Other current liabilities	0.8
Operating leases:
Other assets, net	75.3
Other current liabilities	17.3
Other long-term liabilities	$ 80.9