Employee Benefits (Schedule of Components of Net Periodic Pension Costs) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 31, 2015	Jul. 31, 2014	Jul. 31, 2015	Jul. 31, 2014
General Discussion of Pension and Other Postretirement Benefits [Abstract]
Service cost	$ 2,037	$ 1,768	$ 6,110	$ 5,305
Interest cost	1,063	988	3,191	2,963
Expected returns on assets	(1,512)	(1,237)	(4,538)	(3,712)
Amortization of prior service cost	1	6	3	18
Recognized net actuarial loss	246	154	740	462
Net periodic pension cost	$ 1,835	$ 1,679	$ 5,506	$ 5,036