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Leases - Narrative (Details)
12 Months Ended
Aug. 12, 2020
USD ($)
Jan. 31, 2021
USD ($)
renewal_option
Feb. 02, 2020
USD ($)
Lessee, Lease, Description [Line Items]      
Assets acquired in exchange for operating lease liability   $ 119,000,000.0 $ 30,700,000
Lease expense   62,200,000 47,900,000
Short-term and variable lease cost   $ 12,200,000 $ 9,300,000
Weighted average remaining lease term   12 years 3 months 18 days 10 years 4 months 24 days
Weighted average discount rate   9.80% 11.30%
Operating lease payments   $ 52,900,000 $ 37,900,000
Lease not yet commenced minimum lease payments   $ 167,500,000  
Lease not yet commenced term   17 years  
Local government agency      
Lessee, Lease, Description [Line Items]      
Maximum principal amount $ 70,000,000.0    
Capital addition purchase commitments      
Lessee, Lease, Description [Line Items]      
Maximum capital investment $ 70,000,000.0    
Term of agreement 3 years    
Real Estate      
Lessee, Lease, Description [Line Items]      
Number of renewal options | renewal_option   3  
Renewal term   5 years  
Minimum | Real Estate      
Lessee, Lease, Description [Line Items]      
Lease term   5 years  
Minimum | Equipment      
Lessee, Lease, Description [Line Items]      
Lease term   3 years  
Maximum | Real Estate      
Lessee, Lease, Description [Line Items]      
Lease term   15 years  
Maximum | Equipment      
Lessee, Lease, Description [Line Items]      
Lease term   5 years