Quarterly report pursuant to Section 13 or 15(d)

STOCK-BASED COMPENSATION (Tables)

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STOCK-BASED COMPENSATION (Tables)
6 Months Ended
Jun. 30, 2012
STOCK-BASED COMPENSATION [Abstract]  
Summary of Stock-Based Compensation Expense
The following is a summary of stock-based compensation expense recorded by the Company during the respective periods:
 
   
Three Months Ended
   
Six Months Ended
 
   
June 30,
   
June 30,
 
   
2012
   
2011
   
2012
   
2011
 
   
(in thousands)
 
Selling, general and administrative expenses
  $ 3,353     $ 3,099     $ 6,644     $ 33,571  
Corporate expenses
    5,587       4,551       11,275       9,386  
Total stock-based compensation expense
  $ 8,940     $ 7,650     $ 17,919     $ 42,957