Revenue Recognition (Narratives) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2024	Dec. 31, 2023	Mar. 31, 2024
Lessee Lease Description [Line Items]
Operating lease income	$ 24.1	$ 21.7	$ 75.8	$ 73.1
Deferred Revenue, Revenue Recognized			$ 49.2		$ 0.8