STOCK-BASED COMPENSATION (Details 1) (USD $)	3 Months Ended			6 Months Ended
	Jul. 28, 2012		Jul. 30, 2011	Jul. 28, 2012	Jul. 30, 2011
Stock Option [Member]
Expected volatility	0.00%	[1]	40.50%	42.10%	41.70%
Risk-free interest rate	0.00%	[1]	2.50%	3.50%	2.10%
Expected option life (in years)	0 years	[1]	5 years 10 months 2 days	5 years 9 months 11 days	4 years 8 months 1 day
Expected dividend yield	0.00%	[1]	0.86%	0.50%	0.93%
Weighted average fair value at grant date	$ 0.00	[1]	$ 5.29	$ 5.03	$ 4.60
Employee Stock Purchase Plan (ESPP) [Member]
Expected volatility	39.20%	[1]	21.80%	34.00%	21.50%
Risk-free interest rate	0.10%	[1]	0.30%	0.10%	0.30%
Expected option life (in years)	6 months	[1]	6 months	4 months 17 days	4 months 17 days
Expected dividend yield	0.78%	[1]	0.68%	0.59%	0.51%
Weighted average fair value at grant date	$ 3.74	[1]	$ 2.94	$ 3.37	$ 2.81

[1] There were no stock option grants during the second quarter of 2012.