STOCK-BASED COMPENSATION (Details) (USD $)	3 Months Ended		6 Months Ended
	Jul. 28, 2012	Jul. 30, 2011	Jul. 28, 2012	Jul. 30, 2011
Stock-based compensation expense
Total stock- based compensation expense	$ 3,960,000	$ 3,202,000	$ 6,957,000	$ 5,945,000
Tax benefit related to stock-based compensation			2,700,000	2,400,000
Restricted stock
Stock-based compensation expense
Total stock- based compensation expense	3,224,000	2,572,000	5,601,000	4,956,000
Performance awards
Stock-based compensation expense
Total stock- based compensation expense	736,000	630,000	1,356,000	989,000
Cost of goods sold
Stock-based compensation expense
Total stock- based compensation expense	$ 500,000	$ 600,000	$ 800,000	$ 1,000,000