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Income Taxes, Unrecognized Tax Benefits and Deferred Tax Asset Valuation Allowances (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2021 | Dec. 31, 2021 | Mar. 31, 2022 | Mar. 31, 2021 | Mar. 31, 2020
Income Taxes [Abstract] |  |  |  |  |
Increase (decrease) in deferred tax asset valuation allowances |  |  | $ 2.5 | $ 22.0 |
Income tax benefit from allocation of income tax provision |  |  |  | 9.3 |
Income tax expense related to legal entity restructuring |  |  |  |  | $ 2.9
Lapse of statute of limitations and settlements |  |  |  |  | 4.5
Valuation allowances |  |  | $ 112.2 | 90.7 |
U.S. [Member] |  |  |  |  |
Income Taxes [Abstract] |  |  |  |  |
Income tax benefit from impairment charges |  |  |  | (24.4) |
Increase (decrease) in deferred tax asset valuation allowances |  |  |  |  | 8.4
Term of cumulative loss position |  |  | 3 years |  |
Valuation allowances |  |  | $ 85.8 |  |
Foreign Jurisdictions [Member] |  |  |  |  |
Income Taxes [Abstract] |  |  |  |  |
Income tax benefit from impairment charges |  |  |  | (13.3) |
Income tax expense (benefit) related to change in deferred tax asset valuation allowance | $ 1.6 | $ (13.0) | $ (11.4) |  |
Increase (decrease) in deferred tax asset valuation allowances |  |  |  |  | (1.3)
Term of cumulative loss position |  |  | 3 years |  |
Valuation allowances |  |  | $ 26.4 |  |
Deferred Tax Assets for Charges Recorded [Member] |  |  |  |  |
Income Taxes [Abstract] |  |  |  |  |
Increase (decrease) in deferred tax asset valuation allowances |  |  |  | 116.5 | 9.2
Deferred Tax Assets for Charges Recorded [Member] | U.S. [Member] |  |  |  |  |
Income Taxes [Abstract] |  |  |  |  |
Increase (decrease) in deferred tax asset valuation allowances |  |  |  | 103.3 |
Deferred Tax Assets for Charges Recorded [Member] | Foreign Jurisdictions [Member] |  |  |  |  |
Income Taxes [Abstract] |  |  |  |  |
Increase (decrease) in deferred tax asset valuation allowances |  |  |  | $ 13.2 |
Italy [Member] |  |  |  |  |
Income Taxes [Abstract] |  |  |  |  |
Tax benefit from recognition of tax credits |  |  |  |  | $ (1.4)

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- Definition Period of time the Company has been in a cumulative loss 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 Amount of income tax expense (benefit) attributable to allocation of the income tax provision between net earnings and other comprehensive income. + References No definition available. + Details
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- Definition Amount of income tax expense (benefit) attributable to impairment losses. + References No definition available. + Details
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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations related to legal entity restructuring. + References No definition available. + Details
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- Definition Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations and settlements with taxing authorities. + References No definition available. + 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 -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32687-109319 + 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 foreign tax credit. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32687-109319 + Details
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