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Income Taxes (Tables)
6 Months Ended
Jun. 30, 2013
Income Tax Disclosure [Abstract]  
Schedule of Effective Tax Rate
 
Three Months Ended
 
Six Months Ended
 
June 30,
 
June 30,
 
2013
 
2012
 
2013
 
2012
 
 
 
As Adjusted
 
 
 
As Adjusted
Effective income tax rate
36
%
 
21
%
 
36
%
 
(4
)%