Leases - Schedule of Right of Use Assets and Operating Lease Liabilities (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Jun. 30, 2025
Leases [Abstract]
Cash paid for operating lease liabilities	$ 32.2	$ 28.8
Operating lease ROU assets obtained in exchange for new operating lease liabilities	$ 45.4	$ 13.7
Weighted-average remaining lease term (in years)	6 years		6 years
Weighted-average discount rate	3.70%		3.60%
Current operating lease liability	$ 100.4		$ 100.8