Leases - Narratives (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
Leases [Abstract]
Operating lease, weighted average remaining lease term	6 years 5 months 8 days	6 years 1 month 28 days
Operating lease, weighted average discount rate (as a percent)	3.42%	2.72%
Cash paid for operating leases	$ 86.1	$ 85.2	$ 85.2
Operating lease liabilities arising from obtaining new ROU assets	$ 64.5	$ 30.9	$ 102.8