v3.20.1
Summary of Significant Accounting Policies - Narrative (Detail)
$ in Millions
12 Months Ended
Feb. 03, 2019
USD ($)
Feb. 01, 2020
USD ($)
Feb. 02, 2019
USD ($)
Feb. 03, 2018
USD ($)
Significant Accounting Policies [Line Items]        
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification $ 850.0      
Number of Stores   5,500    
Number of Countries in which Entity Operates   14    
Number of Operating Segments   4    
Impairment of Long-Lived Assets Held-for-use     $ 2.1 $ 2.8
Top 5 Vendor - Nintendo [Member]        
Significant Accounting Policies [Line Items]        
Concentration Risk, Percentage   28.00% 23.00% 22.00%
Top 5 Vendor - Sony [Member]        
Significant Accounting Policies [Line Items]        
Concentration Risk, Percentage   18.00% 22.00% 20.00%
Top 5 vendor - Microsoft [Member]        
Significant Accounting Policies [Line Items]        
Concentration Risk, Percentage   6.00% 10.00% 10.00%
Top 5 vendor - Electronic Arts [Member]        
Significant Accounting Policies [Line Items]        
Concentration Risk, Percentage   5.00%    
Top 5 vendor - Take-Two Interactive [Member]        
Significant Accounting Policies [Line Items]        
Concentration Risk, Percentage   5.00% 6.00% 4.00%
Top 5 Vendor - Activision Blizzard [Domain]        
Significant Accounting Policies [Line Items]        
Concentration Risk, Percentage     4.00% 6.00%
Selling General And Administrative Expense [Member]        
Significant Accounting Policies [Line Items]        
Derivative Instruments And Foreign Currency Transaction Gain Loss Recognized In Income Net   $ 1.0 $ 3.0 $ 2.4