EQUITY INCENTIVE PLAN - Stock option activity (Details) - Employee Stock Option	9 Months Ended
	Jul. 31, 2022 $ / shares shares
Stock Options
Outstanding at beginning of period | shares	16,996
Options granted | shares	0
Options exercised | shares	(5,437)
Options cancelled | shares	0
Outstanding at end of period | shares	11,559
Weighted Average Exercise Price
Outstanding at beginning of period | $ / shares	$ 22.71
Options granted | $ / shares	0
Options exercised | $ / shares	21.45
Options cancelled | $ / shares	0
Outstanding at end of period | $ / shares	$ 23.30