Benefit related to utilization of NOL due to CARES Act

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Amount of reduction to expense for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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No definition available.

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Amount of decrease reasonably possible in the next twelve months for the unrecognized tax benefit.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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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 estimated penalties and interest accrued as of the balance sheet date arising from income tax examinations.

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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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No definition available.

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The portion of the valuation allowance pertaining to the deferred tax asset representing potential future taxable deductions from net operating loss carryforwards for which it is more likely than not that a tax benefit will not be realized.

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Amount of unrecognized tax benefits.

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Amount of expense for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended
Income Taxes (Details) - USD ($) $ in Millions	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Income taxes
Effective tax rate on income from continuing operations (as a percent)	11.30%	13.40%
Benefit related to forecasted utilization of a 2020 NOL		$ 144.0
Valuation allowance	$ 16.0		$ 15.0
Gross unrecognized tax benefits	122.0		110.0
Unrecognized tax benefits net of federal tax benefits that would affect the effective tax rate	91.0		80.0
Decrease in interest and penalties	2.0
Increase in interest and penalties		$ 1.0
Payable related to accrued interest and penalties	8.0		$ 10.0
Minimum [Member]
Income taxes
Amount of decrease in unrecognized tax benefits reasonably possible within next 12 months	40.0
Maximum [Member]
Income taxes
Amount of decrease in unrecognized tax benefits reasonably possible within next 12 months	50.0
State and Local [Member]
Income taxes
Deferred tax assets, loss carryforwards	16.0
Valuation allowance, net operating losses	12.0
Valuation allowance	2.0
Foreign Tax Authority [Member]
Income taxes
Valuation allowance	$ 2.0