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Shared-Based Compensation (Tables)
 6 Months Ended
Jun. 30, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Reconciliation of Option Activity

The following table provides a reconciliation of option activity for the six month period ended June 30, 2015:

 

Options

    Shares
(000)		      Weighted-
Average
Exercise
Price		      Weighted-
Average
Remaining
Contractual
Term		      Aggregate
Intrinsic Value
($000)		  

Outstanding at January 1, 2015

      1,175       $ 11.40         

Granted

      55       $ 25.16         

Exercised

      (160 )     $ 11.49         

Forfeited or expired

      (3 )     $ 13.12         
  

 

 

           

Outstanding at June 30, 2015

      1,067       $ 12.08         6.3       $ 14,341 (1) 
  

 

 

     

 

 

     

 

 

     

 

 

  

Exercisable at June 30, 2015

      857       $ 10.91         5.7       $ 12,516 (1) 
  

 

 

     

 

 

     

 

 

     

 

 

  

 

(1)  The intrinsic value is the amount by which the market price of our stock was greater than the exercise price of any individual option grant at June 30, 2015.