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Stock-Based Compensation - Additional Information (Detail)
$ in Thousands
3 Months Ended 9 Months Ended
Oct. 28, 2017
USD ($)
shares
Oct. 29, 2016
USD ($)
shares
Oct. 28, 2017
USD ($)
shares
Oct. 29, 2016
USD ($)
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock unit vesting and settlement ratio to common shares     1  
Restricted-Stock Units [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Total unrecognized compensation cost, net of estimated forfeitures, related to nonvested restricted stock units | $ $ 4,400   $ 4,400  
Weighted average period to recognize the total unrecognized compensation cost     1 year 6 months 25 days  
Time-based Restricted Stock Units [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Restricted-stock awards/units granted in period     295,000  
Performance-based Restricted Stock Units [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Restricted-stock awards/units granted in period     212,000  
Restricted stock units vesting period, years     3 years  
2010 Equity and Incentive Plan [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Issuance of common stock shares 6,076,001   6,076,001  
2010 Equity and Incentive Plan [Member] | Restricted-Stock Units [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Restricted-stock awards/units granted in period 851 11,325 507,423 413,457
Restricted-stock awards/units with an aggregate grant-date fair value | $ $ 7 $ 200 $ 4,700 $ 7,600
Non-Employee Director [Member] | Restricted-Stock Units [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Restricted stock units vesting period, years     1 year