Additional Financial Information - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2023
Accumulated Other Comprehensive Income (Loss) [Line Items]
Interest paid, including capitalized interest, operating and investing activities	$ 42.3	$ 45.6	$ 59.0
Income taxes paid, net	1.1	3.0	$ 8.6
Individual Monetization Agreements \| Trade Accounts Receivable
Accumulated Other Comprehensive Income (Loss) [Line Items]
Continuing involvement with derecognized transferred financial assets, amount outstanding	$ 144.2	$ 164.2

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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