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Note 10 - Operating and Reporting Segments - Financial Information Relating to Segment Financial Position (Details) - USD ($) $ in Thousands		Oct. 31, 2021	Oct. 31, 2020
Assets		$ 2,320,508	$ 1,827,342
Investments in and advances to unconsolidated joint ventures		60,897	103,164
Corporate, Non-Segment [Member]
Assets		725,857	315,585
Investments in and advances to unconsolidated joint ventures		1,146	702
Homebuilding [Member]
Assets		1,692,072	1,686,735
Investments in and advances to unconsolidated joint ventures		60,897	103,164
Homebuilding [Member] | Operating Segments [Member]
Assets		1,391,893	1,371,150
Investments in and advances to unconsolidated joint ventures		59,751	102,462
Homebuilding [Member] | Northeast [Member] | Operating Segments [Member]
Assets		133,390	107,748
Investments in and advances to unconsolidated joint ventures		10,259	14,646
Homebuilding [Member] | Mid-Atlantic [Member] | Operating Segments [Member]
Assets		273,073	271,867
Investments in and advances to unconsolidated joint ventures		8,660	11,055
Homebuilding [Member] | Midwest [Member] | Operating Segments [Member]
Assets		85,044	106,774
Investments in and advances to unconsolidated joint ventures		1	498
Homebuilding [Member] | Southeast [Member] | Operating Segments [Member]
Assets		257,044	248,506
Investments in and advances to unconsolidated joint ventures		40,563	66,234
Homebuilding [Member] | Southwest [Member] | Operating Segments [Member]
Assets		413,532	357,444
Investments in and advances to unconsolidated joint ventures		0	9,965
Homebuilding [Member] | West [Member] | Operating Segments [Member]
Assets		229,810	278,811
Investments in and advances to unconsolidated joint ventures		268	64
Financial Services [Member]
Assets		202,758	140,607
Financial Services [Member] | Operating Segments [Member]
Assets	[1]	$ 202,758	$ 140,607
[1] Deferred tax assets for the Financial services segment are included in the Deferred tax assets, net line on the Condensed Consolidated Balance Sheets.

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