Income Taxes, Tax Years Subject to Examination, Tax Credits and Tax Carryforwards (Details) $ in Millions	12 Months Ended
Mar. 31, 2021 USD ($)
Income Taxes [Abstract]
Unrecognized foreign withholding taxes and deferred tax liabilities	$ 10.0
Federal and State [Member]
Income Taxes [Abstract]
Tax credit carryforward	$ 60.5
Federal and State [Member] \| Minimum [Member]
Income Taxes [Abstract]
Tax credit carryforward, expiration date	Mar. 31, 2022
Federal and State [Member] \| Maximum [Member]
Income Taxes [Abstract]
Tax credit carryforward, expiration date	Mar. 31, 2041
Germany [Member]
Income Taxes [Abstract]
Tax years subject to examination	Fiscal 2015 - Fiscal 2020
Italy [Member]
Income Taxes [Abstract]
Tax years subject to examination	Fiscal 2016 - Fiscal 2020
United States [Member]
Income Taxes [Abstract]
Tax years subject to examination	Fiscal 2017 - Fiscal 2020
Foreign Tax Jurisdictions [Member]
Income Taxes [Abstract]
Tax loss carryforwards	$ 211.4
Tax losses subject to expiration	6.8
Tax losses not subject to expiration	$ 204.6
Foreign Tax Jurisdictions [Member] \| Minimum [Member]
Income Taxes [Abstract]
Tax loss carryforwards, expiration date	Mar. 31, 2022
Foreign Tax Jurisdictions [Member] \| Maximum [Member]
Income Taxes [Abstract]
Tax loss carryforwards, expiration date	Mar. 31, 2034
State and Local [Member]
Income Taxes [Abstract]
Tax loss carryforwards	$ 135.8
State and Local [Member] \| Minimum [Member]
Income Taxes [Abstract]
Tax loss carryforwards, expiration date	Mar. 31, 2022
State and Local [Member] \| Maximum [Member]
Income Taxes [Abstract]
Tax loss carryforwards, expiration date	Mar. 31, 2041

Tax years remaining subject to examination by major tax jurisdictions.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards that are not subject to expiration dates.

+ References

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards that are subject to expiration dates.

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Amount of deferred tax liability not recognized because of the exceptions to comprehensive recognition of deferred taxes related to undistributed earnings of foreign subsidiaries.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 30
-Section 50
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Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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Expiration date of each operating loss carryforward included in operating loss carryforward, in CCYY-MM-DD format.

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The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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Expiration date of the tax credit carryforward, in CCYY-MM-DD format.

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