Leases - Narratives (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2022
Leases [Abstract]
Operating lease, weighted average remaining lease term	6 years 2 months 19 days	6 years 5 months 8 days
Operating lease, weighted average discount rate (as a percent)	3.91%	3.42%
Cash paid for operating leases	$ 88.0	$ 86.1	$ 85.2
Operating lease liabilities arising from obtaining new ROU assets	$ 61.3	$ 64.5	$ 30.9