Quarterly report pursuant to Section 13 or 15(d)

STOCK-BASED COMPENSATION (Details)

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STOCK-BASED COMPENSATION (Details) (USD $)
3 Months Ended
Mar. 31, 2012
Mar. 31, 2011
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]    
Total stock-based compensation expense $ 8,979,000 $ 35,307,000
Selling, general, and administrative expenses [Member]
   
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]    
Total stock-based compensation expense 3,291,000 30,472,000
Selling, general, and administrative expenses [Member] | Front Line [Member]
   
Employees and non-employees [Abstract]    
Stock-based compensation   24,400,000
Corporate expenses [Member]
   
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]    
Total stock-based compensation expense $ 5,688,000 $ 4,835,000