Quarterly report pursuant to Section 13 or 15(d)

STOCK-BASED COMPENSATION (Details)

v2.4.0.8
STOCK-BASED COMPENSATION (Details) (USD $)
Share data in Millions, unless otherwise specified
 3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]    
Total stock-based compensation expense $ 10,018,000 $ 6,305,000
Options granted in period (in shares) 2.1  
Restricted stock awards granted in period (in shares) 0.7  
Total unrecognized compensation cost 61,400,000  
Amortization period of unrecognized compensation cost (in years) 2 years 10 months 24 days  
Selling, general and administrative expenses [Member]
    
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]    
Total stock-based compensation expense 4,920,000 2,650,000
Corporate expenses [Member]
    
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]    
Total stock-based compensation expense $ 5,098,000 $ 3,655,000
Minimum [Member]
    
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]    
Vesting period 2 years  
Maximum [Member]
    
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]    
Vesting period 4 years