Leases - Lease Cost (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Leases [Abstract]
Operating lease cost	$ 34.0	$ 35.6
Short-term lease cost	0.5	0.3
Variable lease cost	3.2	3.0
Total operating lease cost	$ 37.7	$ 38.9