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Acquisition of Outward, Inc. - Additional Information (Detail) - USD ($)
 3 Months Ended 12 Months Ended
Dec. 01, 2017
Jan. 28, 2018
Jan. 28, 2018
Business Acquisition [Line Items]      
Acquisition-related costs     $ 6,200,000
Outward Inc.      
Business Acquisition [Line Items]      
Contractual purchase price $ 112,000,000    
Purchase consideration 80,864,000    
Consideration owed to former owners of an acquired business, contingent upon continued future service 26,690,000    
Cash paid to settle pre-existing obligations as part of a business combination, excluded from consideration transferred 4,446,000    
Consideration owed to certain key employees of an acquired business, contingent upon continued future service and certain financial targets $ 20,000,000    
Acquisition payment period 4 years    
Amount allocated to identifiable assets acquired primarily property and equipment $ 2,767,000    
Amount allocated to identifiable liabilities acquired $ 12,169,000    
Outward Inc. | Selling, General and Administrative Expenses      
Business Acquisition [Line Items]      
Acquisition-related costs   $ 1,983,000