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Fair Value Measurements (Details) (USD $)
In Thousands, unless otherwise specified
Jul. 28, 2012
Jan. 28, 2012
Assets measured at fair value    
Company-owned life insurance $ 22,649 $ 15,884
Liabilities measured at fair value    
Interest rate swap liability    1,685
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
   
Assets measured at fair value    
Company-owned life insurance      
Liabilities measured at fair value    
Interest rate swap liability      
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
   
Assets measured at fair value    
Company-owned life insurance 22,649 15,884
Liabilities measured at fair value    
Interest rate swap liability    1,685
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
   
Assets measured at fair value    
Company-owned life insurance      
Liabilities measured at fair value    
Interest rate swap liability