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Asset Impairments - Summary Of Asset Impairments (Detail) - USD ($)
$ in Millions
12 Months Ended
Feb. 01, 2020
Feb. 02, 2019
Feb. 03, 2018
Impairment Costs [Line Items]      
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) $ 2.3 $ 43.1 $ 11.0
Impairment of store-level assets 10.7    
Impairment of Long-Lived Assets Held-for-use   2.1 2.8
Asset impairments 21.7 45.2 13.8
United States Segment [Member]      
Impairment Costs [Line Items]      
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)   11.2 11.0
Impairment of store-level assets 1.8 1.3 1.3
Asset impairments 12.8 12.5 12.3
Canada Segment [Member]      
Impairment Costs [Line Items]      
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) 0.0 0.0 0.0
Impairment of store-level assets 0.4 0.0 0.0
Asset impairments 0.4 0.0 0.0
Australia Segment      
Impairment Costs [Line Items]      
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) 0.0 0.0 0.0
Impairment of store-level assets 0.2 0.2 0.3
Asset impairments 0.2 0.2 0.3
Europe Segment [Member]      
Impairment Costs [Line Items]      
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) 0.0   0.0
Impairment of store-level assets 8.3    
Trade Names [Member] | Europe Segment [Member]      
Impairment Costs [Line Items]      
Impairment of store-level assets   0.6 1.2
Asset impairments 8.3 32.5 $ 1.2
ThinkGeek [Member] | Trade Names [Member] | United States Segment [Member]      
Impairment Costs [Line Items]      
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) 2.3 5.3  
Micromania [Member] | Trade Names [Member] | Europe Segment [Member]      
Impairment Costs [Line Items]      
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)   $ 31.9  
Air Transportation Equipment [Member]      
Impairment Costs [Line Items]      
Impairment of Long-Lived Assets to be Disposed of 8.7    
Air Transportation Equipment [Member] | United States Segment [Member]      
Impairment Costs [Line Items]      
Impairment of Long-Lived Assets to be Disposed of 8.7    
Air Transportation Equipment [Member] | Canada Segment [Member]      
Impairment Costs [Line Items]      
Impairment of Long-Lived Assets to be Disposed of 0.0    
Air Transportation Equipment [Member] | Australia Segment      
Impairment Costs [Line Items]      
Impairment of Long-Lived Assets to be Disposed of 0.0    
Air Transportation Equipment [Member] | Europe Segment [Member]      
Impairment Costs [Line Items]      
Impairment of Long-Lived Assets to be Disposed of $ 0.0