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Taxes - Reconciliation of the United States Federal Statutory Corporate Tax Rate to Company's Effective Tax Rate or Income Tax Provision (Details)
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Income Tax Disclosure [Abstract]      
Income tax provision at federal statutory corporate tax rate 35.00% 35.00% 35.00%
State income taxes, net of federal benefit 0.00% 0.00% 1.00%
Foreign tax rate differential (19.00%) (19.00%) (19.00%)
Tax credit (0.00%) (0.00%) (1.00%)
Discrete tax events (2.00%) (1.00%) (3.00%)
Other 1.00% 1.00% 1.00%
Income tax provision on continuing operations 15.00% 16.00% 14.00%