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Note 11 - Operating and Reporting Segments (Detail) - Financial Information Relating to Segment Financial Position (USD $) In Thousands, unless otherwise specified	Oct. 31, 2012	Oct. 31, 2011
Assets	$ 1,684,250	$ 1,602,180
Investments in and advances to unconsolidated joint ventures	61,083	57,826
Homebuilding [Member] | Excluding Corporate and Unallocated [Member]
Assets	1,139,697	1,103,564
Investments in and advances to unconsolidated joint ventures	60,284	56,881
Homebuilding [Member] | Northeast [Member]
Assets	396,073	385,217
Investments in and advances to unconsolidated joint ventures	18,954	15,450
Homebuilding [Member] | Mid-Atlantic [Member]
Assets	200,969	219,287
Investments in and advances to unconsolidated joint ventures	32,014	26,477
Homebuilding [Member] | Midwest [Member]
Assets	73,305	59,105
Investments in and advances to unconsolidated joint ventures	2,190	2,957
Homebuilding [Member] | Southeast [Member]
Assets	90,132	83,044
Investments in and advances to unconsolidated joint ventures	4,636	4,687
Homebuilding [Member] | Southwest [Member]
Assets	235,367	188,321
Homebuilding [Member] | West [Member]
Assets	143,851	168,590
Investments in and advances to unconsolidated joint ventures	2,490	7,310
Homebuilding [Member]
Assets	1,519,616	1,517,074
Investments in and advances to unconsolidated joint ventures	61,083	57,826
Financial Services [Member]
Assets	164,634	85,106
Corporate and Other [Member]
Assets	379,919	413,510
Investments in and advances to unconsolidated joint ventures	$ 799	$ 945

X

- Definition

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 12

-Article 7



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Concepts (CON)

-Number 6

-Paragraph 25

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 18

-Article 5



Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.18)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682



Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_Assets
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Total investments in (A) an entity in which the entity has significant influence, but does not have control, (B) subsidiaries that are not required to be consolidated and are accounted for using the equity and or cost method, and (C) an entity in which the reporting entity shares control of the entity with another party or group. Includes long-term advances receivable from a party that is affiliated with the reporting entity by means of direct or indirect ownership.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.12)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant