STOCK OPTIONS (Details 2) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Oct. 31, 2012	Oct. 31, 2011	Oct. 31, 2010
Cash proceeds from stock option exercises	$ 833	$ 2,167	$ 1,815
Tax benefit from stock option exercises	13,164	7,703	951
Intrinsic value of stock option exercises	$ 7,008	$ 48,952	$ 10,379