Coronavirus Aid, Relief And Economic Security (CARES) Act, Income Tax Expense (Benefit)

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- Definition

Effective Income Tax Rate Reconciliation, Additional Accrual, Amount

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- Definition

Effective Income Tax Rate Reconciliation, At Federal And State And Local Income Taxes, Percent

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- Definition

Effective Income Tax Rate Reconciliation, Equity Method Investment Transaction, Amount

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- Definition

Tax Expense (Benefit), Utilization Of Foreign Operating Losses

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- Definition

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

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Amount 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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- Definition

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 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 increase (decrease) in the valuation allowance for deferred tax assets.

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Amount of undistributed earnings of foreign subsidiaries intended to be permanently reinvested outside the country of domicile.

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Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

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INCOME TAXES (Details) - USD ($) $ in Millions	3 Months Ended				9 Months Ended
INCOME TAXES (Details) - USD ($) $ in Millions	Sep. 30, 2021	Jun. 30, 2021	Sep. 30, 2020	Jun. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Income Tax Contingency [Line Items]
Effective income tax rate (as percent)					24.90%	3.00%
Federal and state/provincial statutory rates					26.00%
Gain (loss) on equity method transaction	$ (40.2)	$ 146.9
Release of valuation allowance					$ (0.4)
Tax benefit related to share-based compensation					0.2
Tax expense related to nondeductible transaction costs					1.3
Additional accrual					0.3
Recognition of research and development tax credit					0.9
Income tax benefit from CARES Act					9.1
Income tax benefit from utilization of NOLs in certain entities in Canada			$ 0.6	$ 4.6
Tax positions reserve			$ 1.1
Undistributed foreign earnings	$ 222.7				222.7
Canada Revenue Agency \| Pro forma
Income Tax Contingency [Line Items]
Expected tax if earnings were distributed to the U.S.					$ 11.1