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Commitments and Contingencies - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Nov. 01, 2014
Nov. 02, 2013
Nov. 01, 2014
Nov. 02, 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 $ 40,840 $ 36,897 $ 118,319 $ 102,837