Leases (Narratives) (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Mar. 31, 2021
Leases [Abstract]
Right Of Use Asset Obtained In Exchange For Operating Lease Liability	$ 468.5		$ 513.6
Operating Cash Flows For Financing Leases	89.4		$ 92.5
Cash paid for finance leases	7.5	$ 7.0
Cash paid for operating leases	$ 45.2	$ 68.6