Income Taxes (Details 4)	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Income Tax Disclosure [Abstract]
U.S. federal statutory income tax rate	21.00%	35.00%	35.00%
State taxes (net of federal benefit)	0.00%	0.10%	0.40%
Transition Tax	(0.30%)	45.00%	0.00%
U.S. Corporate Tax Rate change	(0.40%)	2.10%	0.00%
Indefinite Reinvestment Assertion	(0.60%)	3.50%	0.00%
Foreign losses without tax benefit	1.50%	1.50%	0.70%
Foreign operations taxed at different rates	1.30%	(11.50%)	(10.90%)
Repatriation from current year foreign earnings	0.00%	0.00%	1.60%
GILTI	1.20%	0.00%	0.00%
Tax Holidays	(1.70%)	(0.80%)	(1.20%)
Stock awards excess tax benefit	(0.80%)	(1.20%)	(1.20%)
Swiss Legal Entity Reduction	(0.00%)	(3.40%)	(0.00%)
Reduction of Valuation Allowances	(2.50%)	(0.00%)	(0.00%)
Audit Settlements	(0.00%)	(2.70%)	(0.00%)
Other	1.20%	2.00%	1.30%
Consolidated effective income tax rate	19.90%	69.60%	25.70%

Effective Income Tax Rate Reconciliation, Foreign Losses Without Tax Benefit

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Effective Income Tax Rate Reconciliation, Transition Tax, Percent

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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 attributable to disposition of a business not qualifying as a discontinued operation.

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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 applicable to state and local income tax expense (benefit), net of federal tax expense (benefit).

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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 exempt from income tax because of a tax holiday.

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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 settlements. Including, but not limited to, domestic tax settlement, foreign tax settlement, state and local tax settlement, and other tax settlements.

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