|
STOCK-BASED COMPENSATION (Details) (USD $)
|
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
|
Sep. 30, 2013
|
Sep. 30, 2012
|
Sep. 30, 2013
|
Sep. 30, 2012
|
|
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] | ||||
| Total stock-based compensation expense | $ 9,105,000 | $ 9,677,000 | $ 23,224,000 | $ 27,595,000 |
| Total unrecognized compensation cost | 40,700,000 | 40,700,000 | ||
| Amortization period of unrecognized compensation cost (in years) | 2 years 8 months 12 days | |||
|
Selling, general, and administrative expenses [Member]
|
||||
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] | ||||
| Total stock-based compensation expense | 4,915,000 | 3,771,000 | 11,166,000 | 10,414,000 |
|
Corporate expenses [Member]
|
||||
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] | ||||
| Total stock-based compensation expense | $ 4,190,000 | $ 5,906,000 | $ 12,058,000 | $ 17,181,000 |