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Customer Accounts Receivable Allocated by Credit Quality Indicator (Detail) (USD $)
In Thousands, unless otherwise specified
Oct. 29, 2011
Jan. 29, 2011
Financing Receivable, Recorded Investment [Line Items]    
Customer accounts receivable $ 163,364 $ 149,872
Greater than or equal to 700
   
Financing Receivable, Recorded Investment [Line Items]    
Customer accounts receivable 107,793 93,011
600 - 699
   
Financing Receivable, Recorded Investment [Line Items]    
Customer accounts receivable 38,019 38,832
Less than or equal to 599
   
Financing Receivable, Recorded Investment [Line Items]    
Customer accounts receivable 14,802 15,135
Other
   
Financing Receivable, Recorded Investment [Line Items]    
Customer accounts receivable $ 2,750 $ 2,894