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STOCK-BASED COMPENSATION (Tables)
3 Months Ended
Mar. 31, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of Stock-Based Compensation Charged
The charge for stock-based compensation in our consolidated statements of operations was as follows:
 
For the Three Months Ended March 31,
 
2013

 
2012

Stock-based compensation charged
$
994

 
$
1,087

Schedule of Stock Option Activity
A summary of option activity for the three months ended March 31, 2013 is presented below:
 
Shares

 
Weighted Average Exercise Price per Share

 
Weighted Average Remaining Contractual Term (years)
 
Aggregate Intrinsic Value

Outstanding at January 1, 2013
2,219,625

 
$
31.51

 
4.06
 
$

Forfeited
(24,375
)
 
38.85

 
 
 
 
Outstanding at March 31, 2013
2,195,250

 
$
31.43

 
3.81
 
$

Vested or expected to vest
2,123,869

 
31.72

 
3.74
 

Exercisable at March 31, 2013
1,679,622

 
$
33.92

 
3.25
 
$

Schedule of Restricted Stock Unit Activity
The following table summarizes information about unvested RSUs as at March 31, 2013:
 
Number of
Shares/Units


 
Weighted-
Average
Grant Date
Fair Value

Unvested at December 31, 2012
584,000

 
5.61

Granted

 

Vested

 

Forfeited

 

Unvested at March 31, 2013
584,000

 
5.61