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Supplemental Cash Flows (Details) (USD $)
6 Months Ended
Jul. 30, 2011
Jul. 31, 2010
Jan. 29, 2011
Cash paid during the six months for:      
Interest $ 414,000 $ 480,000  
Income taxes, net 10,512,000 44,081,000  
Schedule of noncash investing and financing activities:      
Tax benefit related to share-based plans 1,426,000 550,000  
Cash dividends declared 6,261,000 4,779,000 6,396,000
Supplemental Cash Flows (Textuals) [Abstract]      
Unpaid capital expenditure purchases $ 8,100,000 $ 3,100,000