Income Tax Concession, Impact On Earnings Per Share, Basic

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Income Tax Concession, Impact On Earnings Per Share, Diluted

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Income Tax Concession, Impact On Foreign Income Tax Expense (Benefit)

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[Line Items] for Income Taxes [Table]

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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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Estimated amount of loss resulting from an adverse tax position.

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The amount of estimated penalties recognized in the period arising from income tax examinations.

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

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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.

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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 revisions of previously reported income tax expense (benefit).

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Income Taxes - Narrative (Details) $ / shares in Units, kr in Millions, $ in Millions, ₩ in Billions			1 Months Ended		3 Months Ended				12 Months Ended
	Apr. 28, 2021 USD ($)	Apr. 28, 2021 DKK (kr)	Jan. 31, 2021 USD ($)	Jan. 31, 2021 DKK (kr)	Mar. 31, 2021 USD ($) $ / shares	Mar. 31, 2020 USD ($) $ / shares	Dec. 31, 2016 USD ($)	Dec. 31, 2016 KRW (₩)	Dec. 31, 2017 USD ($)	Dec. 31, 2017 KRW (₩)
Income Taxes [Line Items]
Provision for income taxes					$ 8.8	$ 16.0
Effective income tax rate					31.80%	27.70%
Adjustment for discrete tax expense (benefit), prior year foreign tax return					$ (1.2)	$ 1.0
Effective income tax rate reconciliation, disposition of business amount					1.6
Effective income tax rate reconciliation, amount other adjustments, amount					0.4
Decrease in foreign income tax					$ 0.4	$ 2.0
Basic earnings per common share (in dollars per share) \| $ / shares					$ 0.01	$ 0.03
Diluted earnings per common share (in dollars per share) \| $ / shares					$ 0.01	$ 0.03
Tax Authority, South Korea (SRTO) \| Assessment
Income Taxes [Line Items]
Pre-assessment notice, amount \| ₩								₩ 11.7
Tax Authority, South Korea (SRTO) \| Foreign Tax Authority \| Assessment
Income Taxes [Line Items]
Pre-assessment notice, amount							$ 10.4		$ 10.0	₩ 11.3
2013 Tax Year \| Danish Tax Authority \| Foreign Tax Authority
Income Taxes [Line Items]
Estimated tax			$ 0.6	kr 3.7
2014 Tax Year \| Danish Tax Authority \| Foreign Tax Authority
Income Taxes [Line Items]
Estimated tax			$ 0.8	kr 4.9
2015 Tax Year \| Danish Tax Authority \| Foreign Tax Authority \| Subsequent Event
Income Taxes [Line Items]
Estimated tax	$ 15.7	kr 96.1