Leases - Supplemental Balance Sheet Information (Details) - USD ($) $ in Millions	Jun. 30, 2023	Jun. 30, 2022
Assets:
Operating lease ROU assets	$ 198.3	$ 222.8
Liabilities:
Operating lease liabilities	40.9	45.4
Operating lease liabilities - Non-current	198.5	227.8
Total Operating lease liabilities	$ 239.4	$ 273.2
Operating lease ROU assets extensible list	Other non-current assets	Other non-current assets
Operating lease liabilities - Current, extensible list	Payables and accrued expenses	Payables and accrued expenses
Operating lease liabilities - Non- current, extensible list	Other non-current liabilities	Other non-current liabilities