Income Taxes (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Income Tax Holiday [Line Items]
Share-based Payment Arrangement, Expense	$ 4.1	$ 7.3	$ 7.6	$ 14.0
Effective tax rate (benefit) provision	(6.00%)	36.60%	(11.40%)	65.20%
Income Tax Expense (Benefit)	$ 1.1	$ 3.4	$ 3.3	$ 6.0
(Loss) earnings before income taxes and discontinued operations	(18.4)	9.3	(29.0)	9.2
Other expense (income), net	(1.9)	0.5	0.8	(0.5)
Foreign Tax Authority
Income Tax Holiday [Line Items]
Effective income tax rate reconciliation, tax holiday	$ 0.2	$ 4.5	$ 1.5	$ 7.9
Holiday benefit (usd per share)	$ 0.01	$ 0.05	$ 0.02	$ 0.09

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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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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Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments.

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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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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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Per share amount effect of the income tax benefit resulting from the income tax holidays granted by taxing jurisdictions.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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

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