Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 30, 2021	Apr. 30, 2020	Apr. 30, 2021	Apr. 30, 2020
Cash flows from operating activities:
Net income (loss)	$ 488,676	$ 4,079	$ 507,635	$ (5,069)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation			2,822	2,542
Compensation from stock options and awards			1,753	(204)
Amortization of bond discounts, premiums and deferred financing costs			534	1,442
Gain on sale and retirement of property and assets			(14)	(24)
Income from unconsolidated joint ventures	(2,641)	(6,221)	(4,557)	(7,761)
Distributions of earnings from unconsolidated joint venture			5,397	14,935
Gain on extinguishment of debt	0	174	0	(9,282)
Noncontrolling interest in consolidated joint ventures			190	33
Inventory impairment and land option write-offs			1,958	3,838
(Increase) decrease in assets:
Origination of mortgage loans			(728,674)	(562,842)
Sale of mortgage loans			706,446	653,979
Receivables, prepaids, deposits and other assets			2,541	17,345
Inventories			(63,056)	150
Deferred tax assets			(459,186)	0
(Decrease) increase in liabilities:
State income tax payable			(1,244)	616
Customers’ deposits			17,644	(745)
Accounts payable, accrued interest and other accrued liabilities			25,271	(29,234)
Net cash provided by operating activities			15,460	79,719
Cash flows from investing activities:
Proceeds from sale of property and assets			15	31
Purchase of property, equipment, and other fixed assets and acquisitions			(2,461)	(1,867)
Investment in and advances to unconsolidated joint ventures			(29,578)	(19,924)
Distributions of capital from unconsolidated joint ventures			19,596	441
Net cash used in investing activities			(12,428)	(21,319)
Cash flows from financing activities:
Proceeds from mortgages and notes			121,340	139,861
Payments related to mortgages and notes			(143,115)	(132,352)
Proceeds from model sale leaseback financing programs			2,738	3,307
Payments related to model sale leaseback financing programs			(9,879)	(11,606)
Proceeds from land bank financing programs			16,494	48,260
Payments related to land bank financing programs			(50,606)	(36,839)
Payments for partner distributions to consolidated joint venture			(254)	0
Net proceeds (payments) related to mortgage warehouse lines of credit			23,274	(80,813)
Net borrowings from senior secured credit facility			0	125,000
Deferred financing costs from land banking financing programs and note issuances			(844)	(12,117)
Net cash (used in) provided by financing activities			(40,852)	42,701
Net (decrease) increase in cash and cash equivalents, and restricted cash and cash equivalents			(37,820)	101,101
Cash and cash equivalents, and restricted cash and cash equivalents balance, beginning of period			309,460	182,266
Cash and cash equivalents, and restricted cash and cash equivalents balance, end of period	271,640	283,367	271,640	283,367
Supplemental disclosures of cash flows:
Interest, net of capitalized interest (see Note 3 to the Condensed Consolidated Financial Statements)	37,280	21,825	47,202	35,780
Income taxes			3,412	1,266
Cash and cash equivalents, and restricted cash and cash equivalents balance, end of period	271,640	283,367	271,640	283,367
Homebuilding [Member]
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Inventory impairment and land option write-offs	81	1,010	1,958	3,838
Supplemental disclosures of cash flows:
Cash and cash equivalents	218,321	232,801	218,321	232,801
Restricted cash and cash equivalents	12,753	16,052	12,753	16,052
Financial Services [Member]
Supplemental disclosures of cash flows:
Cash and cash equivalents	4,117	4,787	4,117	4,787
Restricted cash and cash equivalents	$ 36,449	$ 29,727	$ 36,449	$ 29,727