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Description of the Business and Significant Accounting Policies (Details)
$ in Millions
12 Months Ended
Jan. 31, 2023
USD ($)
financial_institution
segment
Jan. 31, 2022
USD ($)
Jan. 31, 2021
USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Number of operating segments | segment 1    
Deferred commissions, period of recognition 5 years    
Commission expense $ 156.2 $ 177.7 $ 223.6
Capitalized software development costs 13.9 12.9  
Amortization of intangible assets 56.4 57.8 57.7
Advertising expense 23.6 25.5 36.8
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Weighted Average Expected Dividend $ 0.0    
Cash | Credit concentration      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Number of financial institutions | financial_institution 2    
Capitalized software development costs      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Finite-Lived Intangible Asset, Useful Life 3 years    
Amortization of intangible assets $ 12.8 $ 7.1 $ 1.5
Minimum      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Useful Life 3 years    
Accounts receivable payment terms 30 days    
Maximum      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Useful Life 5 years    
Accounts receivable payment terms 60 days