Annual report pursuant to Section 13 and 15(d)

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

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Income Taxes Income Taxes (Reconciliation of Statutory Federal Income Tax Rate to Effective Rate) (Details)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
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% 1.70% 1.50%
Non-U.S. income taxes at different rates (3.70%) (5.40%) (6.50%)
Foreign tax credits (0.50%) 0.00% (1.80%)
Reduction of accrued income taxes (1.90%) (4.30%) (3.50%)
Research credits (2.10%) (1.70%) (0.60%)
Other 0.50% 0.10% 0.70%
Actual provision for income taxes 28.80% 25.40% 24.80%