INCOME TAXES - Deferred tax assets (Details) - USD ($) |
3 Months Ended | 12 Months Ended | |||||
|---|---|---|---|---|---|---|---|
Dec. 30, 2015 |
Dec. 31, 2013 |
Dec. 31, 2013 |
Dec. 31, 2015 |
Dec. 31, 2014 |
Feb. 07, 2014 |
Jun. 09, 2009 |
|
| INCOME TAXES | |||||||
| Net deferred tax assets | $ 126,198,000 | $ 181,782,000 | |||||
| Amount of valuation allowance reversed | $ 265,600,000 | $ 265,600,000 | |||||
| Shares of common stock received in exchange for common units | 200,000 | ||||||
| Capital gain | $ 4,600,000 | ||||||
| 8.75% Senior Fixed Rate Notes due 2019 | |||||||
| INCOME TAXES | |||||||
| Interest rate of debt (as a percent) | 8.75% | 8.75% | |||||
| Percentage of outstanding notes received in tenders and consents | 77.33% | ||||||
| 5.875% Senior Subordinated Notes due 2022 | |||||||
| INCOME TAXES | |||||||
| Interest rate of debt (as a percent) | 5.875% | 5.875% |