Leases - Lease Balances on Consolidated Balance Sheet (Details) - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019
Operating leases:
Other assets, net	$ 74.5	$ 80.4
Other current liabilities	17.6	21.1
Other long-term liabilities	$ 78.8	$ 81.9
Other lease information
Weighted-average remaining lease term—Operating leases	11 years	10 years 7 months 6 days
Weighted-average discount rate—Operating leases	5.20%	5.10%