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REVENUE RECOGNITION - Costs To Obtain And Fulfill Contracts (Details) - USD ($)
12 Months Ended
Jan. 31, 2024
Jan. 31, 2023
Jan. 31, 2022
Sales Commission      
Capitalized Contract Cost [Line Items]      
Capitalized contract cost, net $ 57,800,000 $ 58,600,000  
Capitalized contract cost, amortization 34,200,000 33,100,000 $ 33,100,000
Capitalized contract cost, impairment losses 0 0 0
Sales Commission | Prepaid expenses and other current assets      
Capitalized Contract Cost [Line Items]      
Capitalized contract cost, net 2,700,000 3,700,000  
Sales Commission | Other assets      
Capitalized Contract Cost [Line Items]      
Capitalized contract cost, net 55,100,000 54,900,000  
Costs to Fulfill      
Capitalized Contract Cost [Line Items]      
Capitalized contract cost, net 3,200,000 5,100,000  
Capitalized contract cost, amortization 3,000,000 3,000,000 $ 3,200,000
Costs to Fulfill | Prepaid expenses and other current assets      
Capitalized Contract Cost [Line Items]      
Capitalized contract cost, net 200,000 200,000  
Costs to Fulfill | Other assets      
Capitalized Contract Cost [Line Items]      
Capitalized contract cost, net $ 3,000,000 $ 4,900,000