Accounts Receivables, Unbilled Receivables, Allowance for Credit Losses and Contract Liabilities - Additional information - (Detail 1) $ in Millions	Apr. 30, 2023 USD ($)
Receivables [Line Items]
Transaction price allocated to performance obligations	$ 20.5
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-05-01
Receivables [Line Items]
Transaction price allocated to performance obligations	$ 13.8
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period	9 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-02-01
Receivables [Line Items]
Transaction price allocated to performance obligations	$ 3.8
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period	2 years