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Leases (Details) - USD ($)
$ in Millions
 12 Months Ended
Jan. 31, 2021
Jan. 31, 2020
Lessee, Operating Lease, Description [Abstract]    
Transition package true  
Option to extend true  
Lessee, operating lease, option to terminate The exercise of lease renewal options is generally at the Company’s sole discretion. The exercise of lease termination options is generally by mutual agreement between the Company and the lessor.  
Variable and short term cost $ 6.7 $ 16.8
Impairment charge related to the operating lease assets $ 19.4 $ 9.9
Minimum    
Lessee, Operating Lease, Description [Abstract]    
Operating lease, contract term 1 year  
Renewal term 1 year  
Maximum    
Lessee, Operating Lease, Description [Abstract]    
Operating lease, contract term 10 years  
Renewal term 10 years