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Income Taxes (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Sep. 30, 2021 | Jun. 30, 2021 | Dec. 31, 2022 | Dec. 31, 2021
Income Taxes [Abstract] |  |  |  |  |  |
Effective income tax rate | 25.60% | 0.10% |  |  | 23.80% | 8.70%
Income Taxes [Abstract] |  |  |  |  |  |
Impairment charges (reversals) - net | $ 0.0 | $ (57.2) |  |  | $ 0.0 | $ (55.7)
U.S. [Member] |  |  |  |  |  |
Income Taxes [Abstract] |  |  |  |  |  |
Valuation allowance | 84.9 |  |  |  | 84.9 |
U.S. [Member] | Maximum [Member] |  |  |  |  |  |
Income Taxes [Abstract] |  |  |  |  |  |
Estimated future decrease in income tax expense due to release of valuation allowance | (65.0) |  |  |  | (65.0) |
Foreign Jurisdictions [Member] |  |  |  |  |  |
Income Taxes [Abstract] |  |  |  |  |  |
Income tax expense (benefit) related to change in deferred tax asset valuation allowance |  | $ (8.2) | $ 1.6 | $ (4.8) |  | (11.4)
Income tax benefits related to decrease in deferred tax asset valuation allowance |  |  |  |  |  | (13.0)
Valuation allowance | $ 28.1 |  |  |  | $ 28.1 |
Liquid-Cooled Automotive Business [Member] |  |  |  |  |  |
Income Taxes [Abstract] |  |  |  |  |  |
Impairment charges (reversals) - net |  |  |  |  |  | $ (56.0)

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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 decrease in the valuation allowance for deferred tax assets. + References No definition available. + Details
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- Definition Amount of estimated increase (decrease) in income tax expense due to release of valuation allowance as a result of sufficient positive evidence to conclude that a significant portion of the valuation allowance is no longer needed based on current and anticipated future earnings. + References No definition available. + Details
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- Definition Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 4 -URI https://asc.fasb.org/extlink&oid=126905981&loc=d3e2420-110228 + 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 -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32537-109319 + Details
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