v3.20.4
Leases (Lease liabilities) (Details) - USD ($)
Oct. 31, 2020
Aug. 01, 2020
Nov. 02, 2019
Leases [Abstract]      
Weighted-average remaining lease term (years) 5 years 9 months 18 days   5 years 6 months
Weighted-average discount rate (percent) 24.90%   25.90%
Lease Maturity, Current [Abstract]      
2021 (excluding the three months ended October 31, 2020) [1],[2] $ 161,900,000    
2022 [1],[2] 201,000,000.0    
2023 [1],[2] 151,200,000    
2024 [1],[2] 108,100,000    
2025 [1],[2] 79,200,000    
Thereafter [1],[2] 333,600,000    
Total undiscounted operating lease liabilities [1],[2] 1,035,000,000.0    
Less imputed interest [1],[2] (521,100,000)    
Present value of operating lease liabilities [1],[2] 513,900,000    
Less current portion of lease liabilities (600,000) [1],[2] $ (600,000)  
Long-term lease liabilities (900,000) [1],[2] $ (800,000)  
Lease Maturity, Prior      
Total undiscounted operating lease liabilities     $ 2.0
Liabilities Subject to Compromise, Other Liabilities [1],[2],[3] $ 512,400,000    
[1] Although such amounts are generally non-cancelable, certain leases are cancelable if specified sales levels are not achieved or co-tenancy requirements are not being satisfied. All future minimum rentals under such leases have been included in the above table.
[2] Net of sublease income, which is not expected to be significant in any period.
[3] As of October 31, 2020, the current portion of operating leases liabilities and the long-term lease liabilities balances were classified to Liabilities subject to compromise, which is further discussed in Note 2.