CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Oct. 31, 2020	Oct. 31, 2019
Statement of Financial Position [Abstract]
Allowance for doubtful accounts	$ 804	$ 379
Deferred interest	$ 360	$ 0
Shares of benefical interest, no par value (in dollars per share)
Shares of benefical interest, authorized	8,000,000	8,000,000
Shares of benefical interest, issued	6,993,152	6,993,152
Vested share units to trustees, issued	152,144	192,122
Treasury stock at cost, shares	136,501	206,408