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Income Taxes (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Income Tax Holiday [Line Items]
Share-based Payment Arrangement, Expense	$ 7.4	$ 4.1	$ 18.5	$ 7.6
Effective tax rate (benefit) provision	7.40%	6.00%	12.10%	11.40%
Income Tax Expense (Benefit)	$ 1.4	$ 1.1	$ 4.1	$ 3.3
Earnings (loss) before income taxes and discontinued operations	18.8	(18.4)	34.0	(29.0)
Other expense (income), net	0.6	(1.9)	1.5	0.8
Effective Income Tax Rate Reconciliation, Discrete Items	$ (1.2)		$ (1.3)
Effective Tax Rate Excluding Discrete Items	13.80%		15.90%
Foreign Tax Authority
Income Tax Holiday [Line Items]
Effective income tax rate reconciliation, tax holiday	$ 3.0	$ 0.2	$ 5.4	$ 1.5
Holiday benefit (usd per share)	$ 0.03	$ 0.01	$ 0.06	$ 0.02

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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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The amount of income taxes from which a reporting entity is exempt or for which it will receive a reduction in income taxes as a result of the income tax holiday granted by the taxing jurisdiction.

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Amount of income (expense) related to nonoperating activities, classified as other.

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