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Share-Based Compensation - Narrative (Details)
$ in Millions
3 Months Ended
Apr. 30, 2022
USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Unrecognized compensation cost related to nonvested stock options $ 2.9
Weighted average period for recognition of unrecognized compensation cost 1 year 6 months
Stock awards/units  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Unrecognized compensation cost related to nonvested stock awards/units $ 20.3
Performance-based units | Minimum | Vesting, Tranches After Initial Vesting Period  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Award vesting period 2 years
Performance-based units | Maximum | Vesting, Tranches After Initial Vesting Period  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Award vesting period 3 years
Market-based units | Minimum  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Target vesting percentage 0.00%
Market-based units | Maximum  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Target vesting percentage 150.00%
Market Based Shares - TSR  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Award vesting period 3 years
Market Based Shares - Stock Price Levels  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Award vesting period 4 years