FAIR VALUE MEASUREMENTS (Details) (USD $) In Thousands, unless otherwise specified	Jan. 31, 2015	Feb. 01, 2014
Total Estimated Fair Value
Fair value measurements
Long-term debt	$ 798,750	$ 806,019
Total Estimated Fair Value | Second lien senior secured notes
Fair value measurements
Long-term debt	345,700	398,972
Total Estimated Fair Value | Mortgage facilities
Fair value measurements
Long-term debt	214,132	222,168
Total Estimated Fair Value | Senior secured credit facility
Fair value measurements
Long-term debt	238,918	184,879
Quoted Prices in Active Markets (Level 1)
Fair value measurements
Long-term debt	345,700	398,972
Quoted Prices in Active Markets (Level 1) | Second lien senior secured notes
Fair value measurements
Long-term debt	345,700	398,972
Significant Unobservable Inputs (Level 3)
Fair value measurements
Long-term debt	453,050	407,047
Significant Unobservable Inputs (Level 3) | Mortgage facilities
Fair value measurements
Long-term debt	214,132	222,168
Significant Unobservable Inputs (Level 3) | Senior secured credit facility
Fair value measurements
Long-term debt	238,918	184,879
Carrying Value
Fair value measurements
Long-term debt	857,751	811,735
Carrying Value | Second lien senior secured notes
Fair value measurements
Long-term debt	407,292	407,292
Carrying Value | Mortgage facilities
Fair value measurements
Long-term debt	211,541	219,564
Carrying Value | Senior secured credit facility
Fair value measurements
Long-term debt	$ 238,918	$ 184,879