Annual report pursuant to Section 13 and 15(d)

Accounts Receivables, Contract Assets, and Contract Liabilities - Additional information - (Detail)

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Accounts Receivables, Contract Assets, and Contract Liabilities - Additional information - (Detail) - USD ($)
$ in Millions
12 Months Ended
Jan. 31, 2022
Jan. 31, 2021
Receivables [Abstract]    
Deferred revenue, recognized $ 3.5 $ 5.2
Transaction price allocated to performance obligations $ 28.0 $ 14.7