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Employee Stock-Based Compensation (Tables)
3 Months Ended
Mar. 31, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Stock Options and Restricted Stock Units activity
The following table summarizes restricted stock units granted under our 2010 Equity Incentive Plan:
 
Three Months Ended March 31,
 
2016
 
2015
 
(In thousands, except per share data)
Restricted stock units granted
418

 
337

Weighted-average grant-date fair value
$
21.79

 
$
19.48