Income Taxes, Unrecognized Tax Benefits (Details) - USD ($) $ in Millions |
12 Months Ended | |
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Mar. 31, 2024 |
Mar. 31, 2023 |
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| Reconciliation of Unrecognized Tax Benefits [Roll Forward] | ||
| Beginning balance | $ 9.7 | $ 9.3 |
| Gross increases - tax positions in prior period | 0.5 | 0.2 |
| Gross decreases - tax positions in prior period | 0.0 | (0.1) |
| Gross increases - tax positions in current period | 1.3 | 0.9 |
| Lapse of statute of limitations | (2.3) | (0.6) |
| Ending balance | 9.2 | $ 9.7 |
| Unrecognized tax benefits that would impact effective tax rate | $ 7.3 | |
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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- Definition Amount of unrecognized tax benefits. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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