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Income Taxes (Tables)
6 Months Ended
Jun. 30, 2014
Income Tax Disclosure [Abstract]  
Schedule of Effective Tax Rate
 
Three Months Ended
June 30,
 
Six Months Ended
June 30,
 
2014
 
2013
 
2014
 
2013
 
(In percentages)
Effective income tax rate
27
 
36
 
28
 
36