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Commitments and Contingencies - Additional Information (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Mar. 09, 2015
Apr. 30, 2016
Aug. 01, 2015
May. 02, 2015
Jan. 30, 2016
Operating Leases          
Rent expense   $ 10,650   $ 9,755  
Loss contingency trial start date   Mar. 02, 2015      
Loss contingency trial end date   Mar. 06, 2015      
Trial award against defendants to the action $ 11,887        
Accrued amount of litigation         $ 4,000
Reversal amount of accrued litigation settlement     $ 4,000