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Equity Compensation Plans Equity Compensation Plans (Tables)
3 Months Ended
Mar. 31, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of Share-based Compensation, Restricted Stock Units Award Activity
 
 
Three Months Ended 
 March 31, 2015
 
 
Outstanding
 
 
RSUs
 
Weighted Average Exercise Price
December 31, 2014
 
142,110

 
$
25.93

Granted
 
455,567

 
25.24

Vested
 

 

Exercised
 

 

Canceled
 

 

March 31, 2015
 
597,677

 
$
25.40