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Related Party Transactions - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Aug. 02, 2014
Aug. 03, 2013
Aug. 02, 2014
Aug. 03, 2013
Related Party Transactions [Abstract]        
Purchase from related party vendor $ 6.3 $ 7.0 $ 12.0 $ 13.4
Purchase from related party vendor as percentage of total merchandise purchases 12.00% 14.00% 12.00% 14.00%
Cost of sale related to vendor 5.7 6.0 11.5 12.2
Payable amounts outstanding to vendor $ 1.7 $ 2.4 $ 1.7 $ 2.4