Investments in Unconsolidated Entities (Details 4) - USD ($) $ in Thousands	Oct. 31, 2021	Oct. 31, 2020	Oct. 31, 2019	Oct. 31, 2018
Condensed Balance Sheets:
Other	$ 99,613	$ 90,293
Total assets	11,537,850	11,065,733
Stockholders' Equity Attributable to Noncontrolling Interest	45,431	52,241
Total liabilities and stockholders' equity	11,537,850	11,065,733
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	1,684,412	1,396,604	$ 1,319,643	$ 1,216,410
Inventory, Operative Builders	7,915,884	7,658,906
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	599,101	430,701
Equity Method Investment, Difference Between Carrying Amount and Underlying Equity	16,500	29,400
Home Building Joint Ventures, Total [Member]
Condensed Balance Sheets:
Loans Receivable, Net	0	0
Rental Properties	0	0
Rental properties under development	0	0
Other Real Estate, Foreclosed Assets, and Repossessed Assets	0	0
Other	10,157	21,930
Total assets	137,275	238,296
Debt, net of deferred financing costs	0	30,116
Accrued Liabilities and Other Liabilities	11,725	12,768
Members' Equity	125,550	195,412
Stockholders' Equity Attributable to Noncontrolling Interest		0
Total liabilities and stockholders' equity	137,275	238,296
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	28,137	18,106
Inventory, Operative Builders	98,981	198,260
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	12,944	33,819
Rental Joint Ventures, including Trusts i and II [Member]
Condensed Balance Sheets:
Loans Receivable, Net	0	0
Rental Properties	1,496,355	1,244,911
Rental properties under development	697,659	666,386
Other Real Estate, Foreclosed Assets, and Repossessed Assets	0	0
Other	71,917	38,851
Total assets	2,351,430	2,014,392
Debt, net of deferred financing costs	1,351,646	1,220,607
Accrued Liabilities and Other Liabilities	153,338	113,282
Members' Equity	846,446	680,503
Stockholders' Equity Attributable to Noncontrolling Interest		0
Total liabilities and stockholders' equity	2,351,430	2,014,392
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	85,499	64,244
Inventory, Operative Builders	0	0
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	316,580	247,049
Gibraltar Joint Ventures [Member]
Condensed Balance Sheets:
Loans Receivable, Net	86,727	78,576
Rental Properties	0	0
Rental properties under development	0	0
Other Real Estate, Foreclosed Assets, and Repossessed Assets	211	6,752
Other	974	298
Total assets	133,732	97,204
Debt, net of deferred financing costs	0	0
Accrued Liabilities and Other Liabilities	18,449	6,053
Members' Equity	115,283	90,735
Stockholders' Equity Attributable to Noncontrolling Interest		416
Total liabilities and stockholders' equity	133,732	97,204
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	755	2,798
Inventory, Operative Builders	45,065	8,780
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	25,810	22,143
Land Development Joint Venture [Member]
Condensed Balance Sheets:
Loans Receivable, Net	0	0
Rental Properties	0	0
Rental properties under development	0	0
Other Real Estate, Foreclosed Assets, and Repossessed Assets	0	0
Other	144,320	108,289
Total assets	1,004,427	436,579
Debt, net of deferred financing costs	325,973	117,342
Accrued Liabilities and Other Liabilities	65,033	54,714
Members' Equity	613,421	264,523
Stockholders' Equity Attributable to Noncontrolling Interest		0
Total liabilities and stockholders' equity	1,004,427	436,579
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	39,191	24,330
Inventory, Operative Builders	820,916	303,960
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	243,767	127,690
Equity Method Investment, Nonconsolidated Investee or Group of Investees
Condensed Balance Sheets:
Loans Receivable, Net	86,727	78,576
Rental Properties	1,496,355	1,244,911
Rental properties under development	697,659	666,386
Other Real Estate, Foreclosed Assets, and Repossessed Assets	211	6,752
Other	227,368	169,368
Total assets	3,626,864	2,786,471
Debt, net of deferred financing costs	1,677,619	1,368,065
Accrued Liabilities and Other Liabilities	248,545	186,817
Members' Equity	1,700,700	1,231,173
Stockholders' Equity Attributable to Noncontrolling Interest		416
Total liabilities and stockholders' equity	3,626,864	2,786,471
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	153,582	109,478
Inventory, Operative Builders	964,962	511,000
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	$ 599,101	$ 430,701