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Consolidated Balance Sheets (Parenthetical) - shares
Oct. 31, 2023
Oct. 31, 2022
Statement of Financial Position [Abstract]    
Preferred shares, authorized (in shares) 10,000,000 10,000,000
Preferred shares, issued (in shares) 0 0
Common shares, authorized (in shares) 160,000,000 160,000,000
Common shares, issued (in shares) 98,023,000 98,023,000