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, 2013	Jul. 31, 2012	Jul. 31, 2013	Jul. 31, 2012
General Discussion of Pension and Other Postretirement Benefits [Abstract]
Service cost	$ 1,845	$ 1,234	$ 5,537	$ 3,702
Interest cost	822	763	2,465	2,290
Expected returns on assets	(1,028)	(856)	(2,950)	(2,568)
Amortization of prior service cost	6	6	18	18
Amortization of transition obligation	0	5	0	15
Recognized net actuarial loss	547	282	1,640	845
Net periodic pension cost	$ 2,192	$ 1,434	$ 6,710	$ 4,302