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The amount of gross deferred tax assets, including net operating losses, estimated to be realized through the reversal of existing temporary differences attributable to the gross deferred tax liabilities.

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Income Tax Disclosure [Line Items]

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Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy all domestic and foreign income tax obligations due. This amount is the total of current and noncurrent accrued income taxes.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

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Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting.

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Amount, before allocation of a valuation allowances, of deferred tax assets attributable to deductible tax credit carryforwards including, but not limited to, research, foreign, general business, alternative minimum tax, and other deductible tax credit 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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Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting.

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Tax year being audited in the income tax examination, in CCYY format.

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Carrying amount as of the balance sheet date of income taxes previously overpaid to tax authorities (such as U.S. Federal, state and local tax authorities) representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes. Also called income tax refund receivable.

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The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.

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Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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Expiration date of each operating loss carryforward included in operating loss carryforward, in CCYY-MM-DD format.

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Expiration date of the tax credit carryforward, in CCYY-MM-DD format.

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Amount of income tax expense (benefit) for remeasurement of deferred tax from change in tax rate pursuant to Tax Cuts and Jobs Act.

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Amount of unrecognized tax benefits.

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Income Taxes (Narrative) (Details) - USD ($)	12 Months Ended
Income Taxes (Narrative) (Details) - USD ($)	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Tax Disclosure [Line Items]
Unrecognized tax benefits	$ 0
Income tax payments	128,200,000	$ 63,100,000	$ 70,200,000
Income taxes payable	64,100,000	83,700,000
Income taxes receivable	6,300,000	49,300,000
Tax Cuts and Jobs Act, Change in Tax Rate, Income Tax Expense (Benefit)	0	5,699,000	339,899,000
Change in tax status of UK subsidiaries one-time tax Eexpense	6,658,000	(103,281,000)	$ 0
Net deferred tax liability	860,720,000	446,045,000
Tax credit carryforwards	47,233,000	39,877,000
Net operating loss carryforwards	33,500,000
Gross deferred tax assets	580,192,000	485,429,000
Estimated gross deferred tax assets including net operating losses realized through generating taxable income or reversal of existing temporary differences attributable to gross deferred tax liabilities	534,600,000
Valuation allowance	$ (45,544,000)	(36,286,000)
Income Tax Examination, Year under Examination	2017
Earliest Tax Year [Member]
Income Tax Disclosure [Line Items]
Tax credit, expiration date	Dec. 31, 2028
Operating loss carryforwards, expiration date	Dec. 31, 2028
Latest Tax Year [Member]
Income Tax Disclosure [Line Items]
Operating loss carryforwards, expiration date	Dec. 31, 2037
Certain Branch Operations In Europe And Wholly Owned Subsidiary In Brazil [Member]
Income Tax Disclosure [Line Items]
Net operating loss carryforwards	$ 109,300,000
Certain Branch Operations In Europe And Wholly Owned Subsidiary In Brazil [Member] \| Earliest Tax Year [Member]
Income Tax Disclosure [Line Items]
Operating loss carryforwards, expiration date	Dec. 31, 2020
Certain Branch Operations In Europe And Wholly Owned Subsidiary In Brazil [Member] \| Subject To Expiration [Member]
Income Tax Disclosure [Line Items]
Net operating loss carryforwards	$ 33,000,000.0
Certain Branch Operations In Europe And Wholly Owned Subsidiary In Brazil [Member] \| Latest Tax Year [Member]
Income Tax Disclosure [Line Items]
Operating loss carryforwards, expiration date	Dec. 31, 2029
Other Liabilities [Member]
Income Tax Disclosure [Line Items]
Net deferred tax liability	$ 883,000,000.0	481,900,000
Other Assets [Member]
Income Tax Disclosure [Line Items]
Net deferred tax assets	$ 22,300,000	$ 35,900,000