Employee Benefits (Schedule Of Components Of Net Periodic Pension Costs) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Jul. 31, 2012	Jul. 31, 2011	Jul. 31, 2012	Jul. 31, 2011
General Discussion of Pension and Other Postretirement Benefits [Abstract]
Service cost	$ 1,234	$ 1,187	$ 3,702	$ 3,561
Interest cost	763	743	2,290	2,230
Expected returns on assets	(856)	(736)	(2,568)	(2,208)
Amortization of prior service cost	6	6	18	18
Amortization of transition obligation	5	6	15	16
Recognized net actuarial loss	282	188	845	564
Net periodic pension cost	$ 1,434	$ 1,394	$ 4,302	$ 4,181