Annual report pursuant to Section 13 and 15(d)

Income Taxes (Reconciliation of Statutory Federal Income Tax Rate to Effective Rate) (Details)

v3.6.0.2
Income Taxes (Reconciliation of Statutory Federal Income Tax Rate to Effective Rate) (Details)
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Income Tax Disclosure [Abstract]      
Provision for federal income taxes at the statutory rate 35.00% 35.00% 35.00%
State and local income taxes, net of federal benefit 1.50% 2.20% 1.50%
Non-U.S. income taxes at different rates (5.80%) (3.90%) (3.40%)
Foreign tax credits (3.00%) (1.70%) (0.00%)
effective income tax rate reconciliation, foreign deferred tax asset, percent (2.50%) 0.00% 0.00%
Reduction of uncrecognized tax benefits 0.00% (0.80%) (3.20%)
Research credits (0.80%) (0.90%) (0.90%)
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent (0.00%) (2.70%) (0.00%)
Effective Income Tax Rate Reconciliation, Excess Tax Benefits From Stock Plans, Percent (2.10%) 0.00% 0.00%
Other 0.50% 0.10% (0.50%)
Actual provision for income taxes 22.80% 27.30% 28.50%