[Line Items] for Income Taxes [Table]

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- Definition

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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- Definition

Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.

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- Definition

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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- Definition

The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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- Definition

Amount accrued 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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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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Income Taxes - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
Income Taxes - Narrative (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Taxes [Line Items]
Impairment	$ 199.4	$ 615.7	$ 677.9
Current income tax expense (benefit)	(65.5)	84.0	282.6
Valuation allowance of net operating loss carryforwards	1,340.0
Income tax penalties and interest expense	33.0	8.0	$ 22.0
Accrued interest and penalties on tax related items	15.0	48.0
U.S.
Income Taxes [Line Items]
Tax credit carryforwards	25.0
Puerto Rico
Income Taxes [Line Items]
Tax credit carryforwards	17.0	12.0
Panama
Income Taxes [Line Items]
Impairment	182.0	$ 608.0
Puerto Rico
Income Taxes [Line Items]
Impairment	211.0
Trinidad and Tobago
Income Taxes [Line Items]
Impairment	191.0
British Virgin Islands
Income Taxes [Line Items]
Impairment	113.0
The Bahamas
Income Taxes [Line Items]
Impairment	$ 97.0