FAIR VALUE MEASUREMENTS AND DERIVATIVES (Details) $ in Thousands		3 Months Ended		6 Months Ended
		Aug. 01, 2015 USD ($) item	Aug. 02, 2014 USD ($)	Aug. 01, 2015 USD ($) item	Aug. 02, 2014 USD ($)	Jan. 31, 2015 USD ($)
Other liabilities:
Derivative liability		$ 500		$ 500		$ 600
Effect of interest rate swap on the consolidated financial statements
Amount of (Loss) Gain in Other Comprehensive (Loss) Income (Effective Portion)		(49)	$ (128)	97	$ (166)
Amount of Loss Recognized in Earnings (Effective Portion)	[1]	$ (153)	$ (153)	$ (304)	$ (304)
Swap Agreement | Senior Secured Term Loan, due October 2018
Information by level for assets and liabilities that are measured at fair value on a recurring basis
Number of interest rate swaps designated as cash flow hedge | item		2		2
Value of senior secured term loan		$ 100,000		$ 100,000
Recurring basis | Fair Value
Other liabilities:
Derivative liability	[2]	470		470		625
Recurring basis | Fair Value | Cash and cash equivalents
Assets:
Assets		62,408		62,408		38,044
Recurring basis | Fair Value | Collateral investments
Assets:
Assets	[3]	21,487		21,487		21,611
Recurring basis | Fair Value | Deferred compensation assets
Assets:
Assets	[3]	4,452		4,452		4,382
Recurring basis | Level 1 | Cash and cash equivalents
Assets:
Assets		62,408		62,408		38,044
Recurring basis | Level 1 | Collateral investments
Assets:
Assets	[3]	21,487		21,487		21,611
Recurring basis | Level 2
Other liabilities:
Derivative liability	[2]	470		470		625
Recurring basis | Level 2 | Deferred compensation assets
Assets:
Assets	[3]	$ 4,452		$ 4,452		$ 4,382

[1] Represents the effective portion of the loss reclassified from accumulated other comprehensive loss.

[2] Included in other long-term liabilities.

[3] Included in other long-term assets.