DIVIDENDS DECLARED AND PAID (Details) - $ / shares	3 Months Ended		6 Months Ended
	Apr. 30, 2016	Apr. 30, 2015	Apr. 30, 2016	Apr. 30, 2015
DIVIDENDS DECLARED AND PAID
Dividends declared (in dollars per share)	$ 0.60	$ 0.60	$ 1.20	$ 1.20
Dividends paid (in dollars per share)	$ 0.60	$ 0.60	$ 1.20	$ 1.20