Income Taxes, Unrecognized Tax Benefits and Deferred Tax Asset Valuation Allowances (Details) $ in Millions |
12 Months Ended | |||
|---|---|---|---|---|
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Oct. 31, 2023
item
|
Mar. 31, 2026
USD ($)
|
Mar. 31, 2025
USD ($)
|
Mar. 31, 2024
USD ($)
|
|
| Income Taxes [Abstract] | ||||
| Income tax benefit related to sale of automotive businesses | $ (3.1) | |||
| Number of automotive businesses sold | item | 3 | |||
| Pension termination | $ 13.7 | |||
| Accrued income taxes, current | 37.0 | $ 16.4 | ||
| Increase in income tax, Due to one big beautiful act | 5.8 | |||
| Valuation allowances | 68.1 | 67.6 | $ 63.0 | |
| Increase in deferred tax asset valuation allowances | $ 0.5 | $ 4.6 | ||
| X | ||||||||||
- Definition Amount of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying domestic federal statutory income tax rates to pretax income (loss) from continuing operations, attributable to pension termination. No definition available.
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| X | ||||||||||
- Definition Increase (Decrease) in Income Tax Expense (Benefit), One Big Beautiful Act No definition available.
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| X | ||||||||||
- Definition Number of automotive businesses sold. No definition available.
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| X | ||||||||||
- Definition Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy all currently due domestic and foreign income tax obligations. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to the disposition of a business not qualifying as a discontinued operation. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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