Accumulated Other Comprehensive (Loss) Income (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Jul. 31, 2014	Jul. 31, 2013	Jul. 31, 2014	Jul. 31, 2013
Accumulated Other Comprehensive (Loss) Income [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	$ (2,030)	$ (4,861)	$ (2,387)	$ (4,819)
Other comprehensive (loss) income before reclassifications	(197)	(37)	62	(461)
Reclassification From Accumulated Other Comprehensive Income Current Period Before Tax	167	399	489	756
Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent	10	(131)	(214)	(106)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	(20)	231	337	189
Accumulated Other Comprehensive Income (Loss), Net of Tax	(2,050)	(4,630)	(2,050)	(4,630)
Supplemental Employee Retirement Plans, Defined Benefit [Member]
Accumulated Other Comprehensive (Loss) Income [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	(1,956)	(4,464)	(2,112)	(4,446)
Other comprehensive (loss) income before reclassifications	(170)	(307)	(247)	(826)
Reclassification From Accumulated Other Comprehensive Income Current Period Before Tax	167	247	495	741
Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent		23	(95)	30
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	(3)	(37)	153	(55)
Accumulated Other Comprehensive Income (Loss), Net of Tax	(1,959)	(4,501)	(1,959)	(4,501)
Available-for-sale Securities [Member]
Accumulated Other Comprehensive (Loss) Income [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	(27)	143	(5)	180
Other comprehensive (loss) income before reclassifications	14	(262)	(15)	(191)
Reclassification From Accumulated Other Comprehensive Income Current Period Before Tax		152	(6)	15
Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent	(6)	40	7	69
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	8	(70)	(14)	(107)
Accumulated Other Comprehensive Income (Loss), Net of Tax	(19)	73	(19)	73
Derivative [Member]
Accumulated Other Comprehensive (Loss) Income [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	(47)	(540)	(270)	(553)
Other comprehensive (loss) income before reclassifications	(41)	532	324	556
Reclassification From Accumulated Other Comprehensive Income Current Period Before Tax
Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent	16	(194)	(126)	(205)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	(25)	338	198	351
Accumulated Other Comprehensive Income (Loss), Net of Tax	$ (72)	$ (202)	$ (72)	$ (202)