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Disclosures about Fair Value of Financial Instruments - Additional Information (Detail) (USD $)
Oct. 27, 2012
Jan. 28, 2012
Oct. 29, 2011
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]      
Fair value of long-term debt $ 936,200,000 $ 936,800,000 $ 916,100,000
Carrying value of long-term debt $ 774,533,000 $ 774,476,000 $ 774,457,000