Leases - Schedule of Operating Lease Maturities (Details) $ in Millions	Jun. 30, 2019 USD ($)
Leases [Abstract]
2020	$ 34.0
2021	38.0
2022	32.5
2023	16.7
2024	10.7
Thereafter	21.2
Total lease payments	153.1
Less: Imputed lease interests	13.8
Total lease liabilities	$ 139.3
Weighted average remaining lease-term (in years)	4 years 6 months
Weighted average discount rate	4.60%