Leases - Other Information Related to Leases (Details) $ in Millions	3 Months Ended
	Mar. 31, 2019 USD ($)
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows for operating leases	$ 32.0
Operating cash flows for finance leases	0.1
Financing cash flows for finance leases	0.3
Total cash from leases	$ 32.4