Income Taxes - Effective Tax Rate Reconciliation (Details)	12 Months Ended
Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2019
Income Tax Disclosure [Abstract]
Statutory rate	21.00%	21.00%	21.00%
State income tax, net of federal tax	10.80%	1.40%	3.20%
Foreign tax rate differential	(198.40%)	11.90%	(18.40%)
Goodwill impairment	0.00%	(28.30%)	0.00%
Change in valuation allowances	239.30%	(12.10%)	16.90%
Income Tax and Foreign Tax Credits	(48.70%)	2.60%	(0.60%)
Arbitration Award	0.00%	3.60%	0.00%
Change in uncertain tax positions	17.20%	(1.10%)	(1.50%)
Withholding Taxes	10.30%	(0.90%)	3.50%
U.S. Tax on Foreign Income	17.60%	(0.40%)	2.40%
Excess tax benefits or expense for stock compensation	2.20%	(0.10%)	(1.10%)
Capitalized transaction costs	0.50%	(0.10%)	0.10%
United States Tax Reform	(0.007)	0.007	(0.034)
Change in Indefinite Reinvestment Assertion	0.00%	0.00%	(3.10%)
Impact of Business Divestitures	52.60%	0.00%	0.00%
Granite Trust Capital Loss	(5.70%)	0.00%	0.00%
Other items, net	4.30%	(0.70%)	0.00%
Effective tax rate	122.30%	(2.50%)	19.00%

Effective Income Tax Rate Reconciliation, Arbitration Award, Percent

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Effective Income Tax Rate Reconciliation, Capital Losses, Percent

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Effective Income Tax Rate Reconciliation, Change In Reinvestment Assertion, Percent

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Effective Income Tax Rate Reconciliation, Withholding Taxes, Percent

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Percentage 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 changes in the valuation allowance for deferred tax assets.

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Percentage 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 applicable to statutory income tax expense (benefit) outside of the country of domicile.

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Percentage of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to expense for award under share-based payment arrangement. Excludes expense determined to be nondeductible upon grant or after for award under share-based payment arrangement.

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Percentage 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 applicable to state and local income tax expense (benefit), net of federal tax expense (benefit).

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Percentage 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 income tax contingencies. Includes, but not limited to, domestic tax contingency, foreign tax contingency, state and local tax contingency, and other contingencies.

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Percentage 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 tax credits. Including, but not limited to, research credit, foreign tax credit, investment tax credit, and other tax credits.

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Percentage of reported income tax expense (benefit) in excess of (less than) expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operations, attributable to Tax Cuts and Jobs Act.

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