CONSOLIDATED STATEMENTS OF CASH FLOW (PARENTHETICAL) - USD ($) $ in Millions	12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2022
Supplemental disclosure of cash flow information:
ROU assets obtained in exchange of lease liabilities	$ 28.0	$ 38.4	$ 27.5
Cash paid for interest	191.2	181.5	207.8
Cash paid for income taxes	517.1	482.6	141.4
Operating lease payments in operating cash flows	$ 39.0	$ 39.7	$ 45.7