DIVIDENDS DECLARED AND PAID (Details) - $ / shares	3 Months Ended		9 Months Ended
	Jul. 31, 2016	Jul. 31, 2015	Jul. 31, 2016	Jul. 31, 2015
DIVIDENDS DECLARED AND PAID
Dividends declared (in dollars per share)	$ 0.60	$ 0.60	$ 1.80	$ 1.80
Dividends paid (in dollars per share)	$ 0.60	$ 0.60	$ 1.80	$ 1.80