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Earnings Per Share - Narrative (Details) - shares
shares in Thousands
12 Months Ended
Oct. 31, 2021
Oct. 31, 2020
Oct. 31, 2019
Restricted Stock      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Shares excluded from the computation of diluted losses per share (in shares) 117 164 119