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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, 2025 USD ($) | Mar. 31, 2024 USD ($) item | Mar. 31, 2023 USD ($)
Income Taxes [Abstract] |  |  |  |
Income tax benefit related to sale of automotive businesses |  |  | $ (3.1) |
Number of automotive businesses sold | item | 3 |  | 3 |
Increase in deferred tax asset valuation allowances |  | $ 0.9 | $ 5.4 |
Term of cumulative income position |  |  |  | 3 years
Valuation allowances |  | 67.6 | $ 63.0 |
U.S. [Member] |  |  |  |
Income Taxes [Abstract] |  |  |  |
Income tax expense (benefit) related to change in deferred tax asset valuation allowance |  |  |  | $ (57.3)
Valuation allowances |  | 42.6 |  |
Foreign Jurisdictions [Member] |  |  |  |
Income Taxes [Abstract] |  |  |  |
Valuation allowances |  | $ 25.0 |  |
Other Deferred Tax Assets [Member] |  |  |  |
Income Taxes [Abstract] |  |  |  |
Increase in deferred tax asset valuation allowances |  |  |  | $ 3.6

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- Definition Period of time the Company has been in a cumulative income position for income tax purposes, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Number of automotive businesses sold. + References No definition available. + Details
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- References No definition available. + Details
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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-2 + Details
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- 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 increase (decrease) in the valuation allowance for deferred tax assets. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-12 + Details
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- 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. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-12 + Details
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- Definition Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-2 + Details
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