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Deferred Contract Costs (Details) - USD ($)
3 Months Ended
Apr. 30, 2024
Apr. 30, 2023
Jan. 31, 2024
Revenue from Contract with Customer [Abstract]      
Deferred contract costs $ 44,100,000   $ 44,600,000
Amortization of deferred contract costs 5,279,000 $ 4,990,000  
Impairment loss in relation to costs capitalized $ 0 $ 0