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Income Taxes - Effective Income Tax Rate Reconciliation (Details) - USD ($)
$ / shares in Units, $ in Millions
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Income Tax Holiday [Line Items]      
Document Fiscal Year Focus 2016    
Effective Income Tax Rate Reconciliation [Abstract]      
U.S. Federal income tax rate 35.00% 35.00% 35.00%
State and local taxes, net of Federal income tax benefit 1.00% (6.80%) (0.30%)
Foreign operations tax effect (28.00%) (42.60%) (10.70%)
Research & experimentation tax credits (6.00%) (11.30%) (1.60%)
Valuation allowance 74.60% 103.10% (0.10%)
Tax contingencies (0.50%) (2.10%) 0.60%
Effective Income Tax Rate Reconciliation,Other Reconciling Items, Percent 4.70% 8.70% 2.60%
Effective Income Tax Rate Reconciliation, Tax Holiday, Percent (58.60%) (79.90%) (19.00%)
Effective Income Tax Rate Reconciliation, Tax Contingency, Foreign, Percent 6.80% 12.70% 1.30%
Other, principally non-tax deductible items 0.00% 5.30% 0.00%
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Compensation Cost, Percent 8.80% 4.30% 0.00%
Prior period items 0.20% 0.60% 2.00%
Effective income tax rate 38.00% 27.00% 9.80%
Foreign Tax Authority      
Effective Income Tax Rate Reconciliation [Abstract]      
Effective income tax rate reconciliation, tax holiday $ 17.5 $ 17.7 $ 22.7
Income tax holiday benefit (usd per share) $ 0.20 $ 0.20 $ 0.27
Inland Revenue, Singapore (IRAS) | Foreign Tax Authority      
Effective Income Tax Rate Reconciliation [Abstract]      
Effective Income Tax Rate Reconciliation, Tax Holiday, Percent (7.20%)    
Foreign statutory income tax rate 24.00%