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Related Party Transactions - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended
Nov. 02, 2013
Oct. 27, 2012
Nov. 02, 2013
Oct. 27, 2012
Related Party Transactions [Abstract]        
Purchase from related party vendor $ 9.7 $ 8.3 $ 23.1 $ 19.7
Purchase from related party vendor as percentage of total merchandise purchases 15.30% 13.50% 14.40% 12.40%
Cost of sale related to vendor 6.4 5.3 18.5 16.9
Payable amounts outstanding to vendor $ 2.2 $ 3.7 $ 2.2 $ 3.7