Accounts Receivables, Unbilled Receivables and Contract Liabilities - Schedule of Unbilled Receivables, Net Expected to be Billed in Future (Detail) $ in Thousands	Jan. 31, 2023 USD ($)
Accounts Notes And Loans Receivable [Line Items]
Unbilled receivables, net amount	$ 12,801
Unbilled receivables, net percentage	100.00%
1 year or less [Member]
Accounts Notes And Loans Receivable [Line Items]
Unbilled receivables, net amount	$ 7,757
Unbilled receivables, net percentage	61.00%
1-2 years [Member]
Accounts Notes And Loans Receivable [Line Items]
Unbilled receivables, net amount	$ 2,182
Unbilled receivables, net percentage	17.00%
2-5 years [Member]
Accounts Notes And Loans Receivable [Line Items]
Unbilled receivables, net amount	$ 2,862
Unbilled receivables, net percentage	22.00%