Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Additional Information (Detail)

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Commitments and Contingencies - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Aug. 02, 2014
Aug. 03, 2013
Aug. 02, 2014
Aug. 03, 2013
Commitments And Contingencies Disclosure [Abstract]        
Non-cancelable operating lease terms, minimum 3 years      
Non-cancelable operating lease terms, maximum 10 years      
Total rent expense under operating leases $ 38,941 $ 33,930 $ 77,480 $ 65,940