Employee Benefits (Schedule of Components of Net Periodic Pension Costs) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jan. 31, 2013	Jan. 31, 2012
General Discussion of Pension and Other Postretirement Benefits [Abstract]
Service cost	$ 1,846	$ 1,234
Interest cost	821	763
Expected returns on assets	(961)	(856)
Amortization of prior service cost	6	6
Amortization of transition obligation	0	5
Recognized net actuarial loss	547	282
Net periodic pension cost	$ 2,259	$ 1,434