Leases (Narratives) (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Jun. 30, 2023	Mar. 31, 2022
Leases [Abstract]
Right Of Use Asset Obtained In Exchange For Operating Lease Liability	$ 189.0	$ 223.2
Operating Cash Flows For Financing Leases	8.9	7.9
Cash paid for finance leases	34.2	35.0
Cash paid for operating leases	$ 58.8	$ 58.4