|
BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) (USD $)
|
3 Months Ended | |
|---|---|---|
|
Mar. 31, 2015
|
Mar. 31, 2014
|
|
| Net income | $ 63,270,000 | $ 69,903,000 |
| Immaterial Error Correction | ||
| Accrued payroll liability error in prior periods | 2,800,000 | |
| Immaterial Error Correction | Deferred Revenue and Other Current Liabilities | ||
| Accrued payroll liability error in prior periods | 2,800,000 | |
| Adjustment | Immaterial Error Correction | ||
| Net income | $ (1,800,000) | |