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Share Repurchases (Tables)
12 Months Ended
Dec. 31, 2014
Text Block [Abstract]  
Summary of Share Repurchases under Stock Repurchase Plan

stock. The following table summarizes share repurchases made under this program through December 31, 2014:

 

      shares      (thousands)  

Authorized amount

     n/a       $ 50,000   

Repurchases

     755,310         (16,627

Remaining authorization

            $ 33,373