STOCKHOLDERS' EQUITY (Details) (USD $)	3 Months Ended			1 Months Ended	3 Months Ended				6 Months Ended	1 Months Ended	3 Months Ended
	Jul. 28, 2012	Jul. 30, 2011	Jan. 28, 2012	Mar. 31, 2011 2010 Share Repurchase Program [Member]	Jul. 28, 2012 2010 Share Repurchase Program [Member]	Jul. 30, 2011 2010 Share Repurchase Program [Member]	Jul. 28, 2012 2011 Share Repurchase Program [Member]	Jul. 30, 2011 2011 Share Repurchase Program [Member]	Jul. 28, 2012 2011 Share Repurchase Program [Member]	May 31, 2012 2012 Share Repurchase Program [Member]	Jul. 28, 2012 2012 Share Repurchase Program [Member]	Jul. 30, 2011 2012 Share Repurchase Program [Member]	Jul. 28, 2012 Retained Earnings [Member]	Jul. 30, 2011 Retained Earnings [Member]
STOCKHOLDERS' EQUITY
Stock Repurchased and Retired During Period, Shares					0	213,200	377,200	745,200		100,000	335,600	0
Stock Repurchased and Retired During Period, Value					$ 0	$ 10,147,700	$ 19,245,500	$ 36,474,400		$ 3,300,000	$ 15,604,100	$ 0	$ 28,700,000	$ 39,200,000
Amount authorized				100,000,000					100,000,000		50,000,000
Number of shares exchanged in payment of withholding taxes (in shares)	800	18,000
Share-based compensation withholding tax payments	37,300	814,600
Treasury Stock, Shares, Acquired	12,600	10,700
Treasury Stock, Value, Acquired, Cost Method	612,600	462,800
Treasury Stock, Shares	27,000	11,000	14,000
Treasury Stock, Value	1,211,000	463,000	598,000
Stock Repurchase Program, Remaining Authorized Repurchase Amount											$ 34,400,000