DIVIDENDS DECLARED AND PAID (Details) (USD $)	3 Months Ended		9 Months Ended
	Jul. 31, 2011	Jul. 31, 2010	Jul. 31, 2011	Jul. 31, 2010
DIVIDENDS DECLARED AND PAID
Dividends declared	$ 0.41	$ 0.30	$ 1.11	$ 0.86
Dividends paid	$ 0.35	$ 0.28	$ 1.00	$ 0.84