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REVENUE AND CONTRACT BALANCES - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended
Apr. 30, 2025
Apr. 30, 2024
Jan. 31, 2025
Disaggregation of Revenue [Line Items]      
Unbilled receivables, current $ 9.4   $ 5.5
Contract with customer, liability 545.4   $ 572.1
Contract with customer, liability, revenue recognized 175.9 $ 148.0  
Revenue, remaining performance obligation, amount $ 1,163.4    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-05-01      
Disaggregation of Revenue [Line Items]      
Revenue, remaining performance obligation, percentage 86.00%    
Revenue, remaining performance obligation, expected timing of satisfaction, period 24 months    
Minimum      
Disaggregation of Revenue [Line Items]      
Revenue from contract with customer, contract term 1 year    
Maximum      
Disaggregation of Revenue [Line Items]      
Revenue from contract with customer, contract term 3 years