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Valuation and Qualifying Accounts (Detail) - USD ($)
$ in Thousands
12 Months Ended
Jan. 30, 2016
Jan. 31, 2015
Feb. 01, 2014
Sales Return Reserve      
Valuation and Qualifying Accounts Disclosure [Line Items]      
Balance Beginning of period $ 35,476 $ 37,429 $ 36,618
Amount Changed to Net Income 1,497,963 1,348,933 1,667,466
Write-Offs Against Reserve 1,491,716 1,350,886 1,666,655
Balance End of Period 41,723 35,476 37,429
Casualty Insurance Reserve      
Valuation and Qualifying Accounts Disclosure [Line Items]      
Balance Beginning of period 14,303 14,696 14,632
Amount Changed to Net Income 80,738 72,604 71,093
Write-Offs Against Reserve 75,355 72,997 71,029
Balance End of Period $ 19,686 $ 14,303 $ 14,696