Employee Benefits (Schedule of Components of Net Periodic Pension Costs) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Oct. 31, 2013	Oct. 31, 2012	Oct. 31, 2011
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 7,383	$ 4,937	$ 4,749
Interest cost	3,287	3,053	2,973
Amortization of transitional (asset) or obligation	0	21	21
Amortization of prior service cost	24	24	24
Recognized actuarial loss	(11,609)	16,936	3,956
Net periodic pension cost	8,947	5,736	5,574
Net Periodic Benefit Cost [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	7,383	4,937	4,748
Interest cost	3,287	3,053	2,973
Expected return on plan assets	(3,933)	(3,424)	(2,944)
Amortization of transitional (asset) or obligation	0	20	21
Amortization of prior service cost	24	24	24
Recognized actuarial loss	2,186	1,126	752
Net periodic pension cost	$ 8,947	$ 5,736	$ 5,574