Leases - Narrative (Details) - USD ($) $ in Millions	Dec. 31, 2019	Jul. 01, 2019	Jun. 30, 2019
Leases [Abstract]
Operating lease, contract term	10 years
Operating lease right-of-use asset	$ 500.2	$ 573.3	$ 0.0
Operating lease liability, current	104.5
Operating lease liabilities	$ 360.2	$ 522.6	$ 0.0