FAIR VALUE MEASUREMENTS AND DERIVATIVES (Details 2) (USD $)	0 Months Ended	3 Months Ended		9 Months Ended
	Oct. 11, 2012 item	Oct. 27, 2012 item	Oct. 29, 2011	Oct. 27, 2012 item	Oct. 29, 2011	Jan. 28, 2012
FAIR VALUE MEASUREMENTS AND DERIVATIVES
Number of interest rate swaps designated as cash flow hedge	2	1		1
Value of Senior Secured Term Loan	$ 100,000,000	$ 145,000,000		$ 145,000,000
Fixed percentage to be paid under hedge	1.855%	5.036%		5.036%
Term Loan under amended and restated Credit Agreement		200,000,000		200,000,000		295,122,000
Notional amount of interest rate swaps	50,000,000
LIBOR	LIBOR
Effect of interest rate swap on the consolidated financial statements
Amount of Gain/ (Loss) in Other Comprehensive Income (Effective Portion)		(170,000)	890,000	1,734,000	1,538,000
Amount of Loss Recognized in Earnings (Effective Portion)	(7,500,000)	(1,201,000)	(1,751,000)	(4,540,000)	(5,242,000)
Fair value of derivative payable		2,300,000		2,300,000		12,500,000
Increase (decrease) in fair value of derivative				(10,200,000)
Derivative loss net of tax recorded to accumulated other comprehensive loss				$ 1,700,000