FAIR VALUE MEASUREMENTS (Details) - USD ($) $ in Thousands	Oct. 29, 2016	Jan. 30, 2016	Oct. 31, 2015
Carrying Value
Fair value measurements
Long-term debt	$ 979,423	$ 862,557	$ 1,005,644
Carrying Value | Second lien senior secured notes
Fair value measurements
Long-term debt	407,292	407,292	407,292
Carrying Value | Mortgage facility
Fair value measurements
Long-term debt			102,997
Carrying Value | Senior secured credit facility
Fair value measurements
Long-term debt	572,131	455,265	495,355
Estimated Fair Value
Fair value measurements
Long-term debt	809,458	623,849	853,603
Estimated Fair Value | Second lien senior secured notes
Fair value measurements
Long-term debt	237,327	168,584	254,802
Estimated Fair Value | Mortgage facility
Fair value measurements
Long-term debt			103,446
Estimated Fair Value | Senior secured credit facility
Fair value measurements
Long-term debt	572,131	455,265	495,355
Estimated Fair Value | Quoted Prices in Active Markets (Level 1)
Fair value measurements
Long-term debt	237,327	168,584	254,802
Estimated Fair Value | Quoted Prices in Active Markets (Level 1) | Second lien senior secured notes
Fair value measurements
Long-term debt	237,327	168,584	254,802
Estimated Fair Value | Significant Unobservable Inputs (Level 3)
Fair value measurements
Long-term debt	572,131	455,265	598,801
Estimated Fair Value | Significant Unobservable Inputs (Level 3) | Mortgage facility
Fair value measurements
Long-term debt			103,446
Estimated Fair Value | Significant Unobservable Inputs (Level 3) | Senior secured credit facility
Fair value measurements
Long-term debt	$ 572,131	$ 455,265	$ 495,355