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Revenue - Schedule of Accounts Receivable, Provision for Doubtful Accounts (Details) - USD ($) $ in Millions | 9 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2024 | Mar. 31, 2024
Disaggregation of Revenue [Line Items] |  |
Trade accounts receivable (Opening) | $ 6.4 | $ 8.7
Beginning balance | 6.4 |
(Benefit) provision for doubtful accounts | (0.9) | (0.3)
Other |  | 1.3
Other | 2.5 |
Uncollectible accounts written-off | (1.0) | (3.3)
Trade accounts receivable (Closing) |  | 6.4
Ending balance | $ 7.0 | $ 6.4

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