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Accounts Receivable, Net and Unbilled Receivables - Schedule of Accounts Receivable, Net and Unbilled Receivables (Parenthetical) (Details) - USD ($)
$ in Thousands
Jan. 31, 2022
Oct. 31, 2021
Accounts Notes And Loans Receivable [Line Items]    
Additional long-term unbilled receivables [1] $ 10,077 $ 7,175
Government [Member]    
Accounts Notes And Loans Receivable [Line Items]    
U.S. government accounts receivable, including unbilled receivables 1,700 2,300
Other Assets [Member]    
Accounts Notes And Loans Receivable [Line Items]    
Additional long-term unbilled receivables $ 11,300 $ 11,600
[1] Additional long-term unbilled receivables of $11.3 million and $11.6 million are included within “Other Assets” as of January 31, 2022 and October 31, 2021, respectively.