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Goodwill and Intangible Assets - Narrative (Detail) - USD ($)
3 Months Ended 12 Months Ended
Feb. 02, 2019
Nov. 03, 2018
Feb. 02, 2019
Feb. 03, 2018
Jan. 28, 2017
Goodwill and Intangible Assets Disclosure [Line Items]          
Goodwill impairments $ 413,400,000 $ 557,300,000 $ 970,700,000 $ 0 $ 0
Goodwill, Accumulated Impairment Loss 1,611,200,000   $ 1,611,200,000    
Total weighted-average amortization period for finite lived intangible assets     9 years 10 months 13 days    
Impairment of intangible assets     $ 43,100,000 11,000,000 14,400,000
Amortization of Intangible Assets     $ 10,100,000 13,400,000 15,000,000
Leases, Acquired-in-Place [Member] | Maximum          
Goodwill and Intangible Assets Disclosure [Line Items]          
Total weighted-average amortization period for finite lived intangible assets     20 years    
Advertising relationships | Maximum          
Goodwill and Intangible Assets Disclosure [Line Items]          
Total weighted-average amortization period for finite lived intangible assets     7 years    
Advertising relationships | Minimum          
Goodwill and Intangible Assets Disclosure [Line Items]          
Total weighted-average amortization period for finite lived intangible assets     5 years    
Europe Segment [Member]          
Goodwill and Intangible Assets Disclosure [Line Items]          
Goodwill impairments     $ 79,900,000    
Goodwill, Accumulated Impairment Loss 499,500,000   499,500,000    
Impairment of intangible assets     31,900,000   7,400,000
Technology Brands          
Goodwill and Intangible Assets Disclosure [Line Items]          
Goodwill impairments     0    
United States Segment [Member]          
Goodwill and Intangible Assets Disclosure [Line Items]          
Goodwill impairments     795,600,000    
Goodwill, Accumulated Impairment Loss 809,100,000   809,100,000    
Impairment of intangible assets     11,200,000 11,000,000 7,000,000
Canada Segment [Member]          
Goodwill and Intangible Assets Disclosure [Line Items]          
Goodwill impairments     28,800,000    
Goodwill, Accumulated Impairment Loss 129,100,000   129,100,000    
Impairment of intangible assets     0 0 0
Australia Segment          
Goodwill and Intangible Assets Disclosure [Line Items]          
Goodwill impairments     66,400,000    
Goodwill, Accumulated Impairment Loss $ 173,500,000   173,500,000    
Impairment of intangible assets     0 0 0
Spring Mobile [Member] | Technology Brands          
Goodwill and Intangible Assets Disclosure [Line Items]          
Goodwill impairments       32,800,000  
Simply Mac [Member] | United States Segment [Member] | Dealer Agreements [Member]          
Goodwill and Intangible Assets Disclosure [Line Items]          
Impairment of intangible assets       11,000,000 7,000,000
Simply Mac [Member] | Video Game Brands - United States [Member] | Dealer Agreements [Member]          
Goodwill and Intangible Assets Disclosure [Line Items]          
Impairment of intangible assets       11,000,000  
Micromania [Member] | Europe Segment [Member] | Trade Names [Member]          
Goodwill and Intangible Assets Disclosure [Line Items]          
Impairment of intangible assets     31,900,000 $ 0 $ 7,400,000
ThinkGeek [Member] | United States Segment [Member] | Trade Names [Member]          
Goodwill and Intangible Assets Disclosure [Line Items]          
Impairment of intangible assets     $ 5,300,000