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Investments (Schedule of Investments) (Details) (USD $)
In Thousands, unless otherwise specified
Feb. 02, 2013
Jan. 28, 2012
Available-for-sale securities:    
Available-for-sale securities $ 0 $ 99,508
Rabbi Trust assets:    
Rabbi Trust assets 87,597 [1] 85,149 [1]
Total investments 87,597 184,657
Money market funds [Member]
   
Rabbi Trust assets:    
Rabbi Trust assets 22 [1] 23 [1]
Trust-owned life insurance policies (at cash surrender value) [Member]
   
Rabbi Trust assets:    
Rabbi Trust assets 87,575 [1] 85,126 [1]
Auction Rate Securities [Member] | Student loan backed [Member]
   
Available-for-sale securities:    
Available-for-sale securities 0 84,650
Auction Rate Securities [Member] | Municipal Authority Bonds [Member]
   
Available-for-sale securities:    
Available-for-sale securities $ 0 $ 14,858
[1] Rabbi Trust assets are included in Other Assets on the Consolidated Balance Sheets and are restricted as to their use.