Note 2 - Business (Details Textual)	12 Months Ended
Oct. 31, 2018	Oct. 31, 2017	Oct. 31, 2016
Number of Communities	123
Homebuilding [Member]
Number of Reportable Segments	6
Homebuilding [Member] \| Segment Concentration Risk [Member] \| Sales Revenue, Net [Member]
Concentration Risk, Percentage	97.00%	98.00%	97.00%

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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