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Note 21 (Detail) - Changes in Fair Values Included in Income (Loss) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Jul. 31, 2012	Jul. 31, 2011	Jul. 31, 2012	Jul. 31, 2011
Mortgage Loans Held for Sale [Member]
Changes in fair value included in net income (loss), all reflected in financial services revenues	$ 863	$ 11	$ 417	$ (369)
Interest Rate Lock Commitments [Member]
Changes in fair value included in net income (loss), all reflected in financial services revenues	193	(72)	184	235
Forward Contracts [Member]
Changes in fair value included in net income (loss), all reflected in financial services revenues	$ (257)	$ 186	$ 225	$ (573)

X

- Definition

For each line item in the statement of financial position, the amounts of gains and losses from fair value changes included in earnings.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 30

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6957238&loc=d3e14172-108612

+ Details

Name:	us-gaap_FairValueOptionChangesInFairValueGainLoss1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration