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Note 1 - Basis of Presentation (Details Textual) $ in Millions | 9 Months Ended
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Jul. 31, 2017 USD ($)
Reclassification of Unamortized Debt Issuance Costs from Prepaid Expenses and Other Assets to Nonrecourse Mortgages Secured by Inventory, Liabilities from Inventory not Owned and Notes Payable and Term Loan [Member] | October 31, 2016 [Member] |
Prior Period Reclassification Adjustment | $ 24.5
Reclassification of Unamortized Debt Issuance Costs from Prepaid Expenses and Other Assets to Nonrecourse Mortgages Secured by Inventory [Member] | October 31, 2016 [Member] |
Prior Period Reclassification Adjustment | 1.3
Reclassification of Unamortized Debt Issuance Costs from Prepaid Expenses and Other Assets to Liabilities from Inventory not Owned [Member] | October 31, 2016 [Member] |
Prior Period Reclassification Adjustment | 3.0
Reclassification of Unamortized Debt Issuance Costs from Prepaid Expenses and Other Assets to Notes Payable and Term Loan [Member] | October 31, 2016 [Member] |
Prior Period Reclassification Adjustment | $ 20.2
Homebuilding [Member] |
Number of Reportable Segments | 6

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