Employee Benefits (Schedule of Weighted-Average Asset Allocations by Asset Category) (Details)	Oct. 31, 2013	Oct. 31, 2012	Oct. 31, 2011
Defined Benefit Plan Disclosure [Line Items]
Asset Allocation	100.00%	100.00%	100.00%
Cash and cash equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Asset Allocation	5.30%	3.00%	2.10%
Corporate common stock [Member]
Defined Benefit Plan Disclosure [Line Items]
Asset Allocation	14.60%	16.50%	19.00%
Equity mutual funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Asset Allocation	47.50%	43.20%	41.10%
Real estate funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Asset Allocation	3.80%	5.20%	5.60%
Bond mutual funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Asset Allocation	28.80%	32.10%	32.20%