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Earnings Per Share - Calculation of Weighted-Average Shares Outstanding Assuming Dilution Due to Anti-Dilutive Shares (Detail) - shares
3 Months Ended 9 Months Ended
Jul. 31, 2023
Jul. 31, 2022
Jul. 31, 2023
Jul. 31, 2022
Stock Options [Member]        
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]        
Anti-dilutive shares 233,394 172,483 241,457 80,778