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Income Taxes, Reconciliation of Statutory to Effective Tax Rate (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Effective income tax rate, continuing operations, tax rate reconciliation [Abstract]
Income taxes at statutory rate	21.00%	21.00%	21.00%
Indefinite reinvestment	0.00%	0.00%	(2.73%)
Excess tax benefit from equity award	0.70%	0.02%	(1.41%)
Non-U.S. income taxed at different rates	3.37%	3.09%	7.37%
Foreign withholding taxes	5.21%	4.10%	7.68%
Change in reserve for uncertain tax positions	1.98%	1.07%	3.68%
Valuation allowance recognized foreign tax credit & others	(4.59%)	2.56%	5.54%
Revaluation of deferred taxes	0.00%	0.00%	1.61%
Foreign-Derived Intangible Income (FDII)	(2.78%)	(0.70%)	0.00%
Other	0.43%	0.85%	1.77%
Effective income tax rate, continuing operations	25.32%	31.99%	44.51%
Cumulative amount of undistributed earnings of non-U.S. subsidiaries	$ 60.0
Incremental taxes if undistributed earnings on non-U.S. subsidiaries were repatriated	$ 6.0

X

- Definition

Percentage 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 excess tax benefits associated with a share-based compensation plan.

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Percentage 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 foreign-derived intangible income.

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Percentage 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 indefinitely invested earnings of non-U.S. subsidiaries.

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Amount of deferred tax liability not recognized because of the exceptions to comprehensive recognition of deferred taxes related to undistributed earnings of foreign subsidiaries.

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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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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Percentage 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 changes in the valuation allowance for deferred tax assets.

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Percentage 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 applicable to statutory income tax expense (benefit) outside of the country of domicile.

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Percentage 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 income tax contingencies. Includes, but not limited to, domestic tax contingency, foreign tax contingency, state and local tax contingency, and other contingencies.

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Percentage 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 foreign tax credit.

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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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