Quarterly report pursuant to Section 13 or 15(d)

STOCK-BASED COMPENSATION (Details)

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STOCK-BASED COMPENSATION (Details) (USD $)
Share data in Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Total stock-based compensation expense $ 12,550,000 $ 7,814,000 $ 22,568,000 $ 14,119,000
Options granted in period (in shares)     2.2  
Restricted stock awards granted in period (in shares)     0.7  
Total unrecognized compensation cost 60,100,000   60,100,000  
Amortization period of unrecognized compensation cost (in years)     2 years 7 months 27 days  
Selling, general and administrative expenses [Member]
       
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Total stock-based compensation expense 8,255,000 3,601,000 13,175,000 6,251,000
Corporate expenses [Member]
       
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Total stock-based compensation expense 4,295,000 4,213,000 9,393,000 7,868,000
Minimum [Member]
       
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Vesting period     1 year  
Maximum [Member]
       
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Vesting period     4 years  
Other Equity Award [Member] | Selling, general and administrative expenses [Member]
       
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Total stock-based compensation expense $ 5,200,000   $ 5,500,000