FAIR VALUE MEASUREMENTS (Details) - USD ($) $ in Thousands	Aug. 01, 2015	Jan. 31, 2015	Aug. 02, 2014
Estimated Fair Value
Fair value measurements
Long-term debt	$ 758,708	$ 798,750	$ 839,589
Estimated Fair Value | Second lien senior secured notes
Fair value measurements
Long-term debt	322,027	345,700	384,550
Estimated Fair Value | Mortgage facilities
Fair value measurements
Long-term debt	104,579	214,132	217,796
Estimated Fair Value | Senior secured credit facility
Fair value measurements
Long-term debt	332,102	238,918	237,243
Quoted Prices in Active Markets (Level 1)
Fair value measurements
Long-term debt	322,027	345,700	384,550
Quoted Prices in Active Markets (Level 1) | Second lien senior secured notes
Fair value measurements
Long-term debt	322,027	345,700	384,550
Significant Unobservable Inputs (Level 3)
Fair value measurements
Long-term debt	436,681	453,050	455,039
Significant Unobservable Inputs (Level 3) | Mortgage facilities
Fair value measurements
Long-term debt	104,579	214,132	217,796
Significant Unobservable Inputs (Level 3) | Senior secured credit facility
Fair value measurements
Long-term debt	332,102	238,918	237,243
Carrying Value
Fair value measurements
Long-term debt	843,310	857,751	859,550
Carrying Value | Second lien senior secured notes
Fair value measurements
Long-term debt	407,292	407,292	407,292
Carrying Value | Mortgage facilities
Fair value measurements
Long-term debt	103,916	211,541	215,015
Carrying Value | Senior secured credit facility
Fair value measurements
Long-term debt	$ 332,102	$ 238,918	$ 237,243