Investments in Unconsolidated Entities (Details 4) - USD ($) $ in Thousands	Oct. 31, 2020	Oct. 31, 2019	Oct. 31, 2018	Oct. 31, 2017
Condensed Balance Sheets:
Other	$ 90,293	$ 74,439
Total assets	11,065,733	10,828,138
Stockholders' Equity Attributable to Noncontrolling Interest	52,241	46,877
Total liabilities and stockholders' equity	11,065,733	10,828,138
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	1,396,604	1,319,643	$ 1,216,410	$ 761,234
Inventory, Operative Builders	7,658,906	7,873,048
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	430,701	366,252
Equity Method Investment, Difference Between Carrying Amount and Underlying Equity	29,400	30,900
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	21,930	78,916
Total assets	238,296	431,022
Debt, net of deferred financing costs	30,116	132,606
Accrued Liabilities and Other Liabilities	12,768	33,959
Members' Equity	195,412	264,457
Stockholders' Equity Attributable to Noncontrolling Interest	0	0
Total liabilities and stockholders' equity	238,296	431,022
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	18,106	38,115
Inventory, Operative Builders	198,260	313,991
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	33,819	60,512
Rental Joint Ventures, including Trusts i and II [Member]
Condensed Balance Sheets:
Loans Receivable, Net	0	0
Rental Properties	1,244,911	1,021,848
Rental properties under development	666,386	535,197
Other Real Estate, Foreclosed Assets, and Repossessed Assets	0	0
Other	38,851	36,879
Total assets	2,014,392	1,614,571
Debt, net of deferred financing costs	1,220,607	1,006,201
Accrued Liabilities and Other Liabilities	113,282	84,735
Members' Equity	680,503	523,635
Stockholders' Equity Attributable to Noncontrolling Interest	0	0
Total liabilities and stockholders' equity	2,014,392	1,614,571
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	64,244	20,647
Inventory, Operative Builders	0	0
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	247,049	174,292
Gibraltar Joint Ventures [Member]
Condensed Balance Sheets:
Loans Receivable, Net	78,576	56,545
Rental Properties	0	0
Rental properties under development	0	0
Other Real Estate, Foreclosed Assets, and Repossessed Assets	6,752	12,267
Other	298	364
Total assets	97,204	89,933
Debt, net of deferred financing costs	0	0
Accrued Liabilities and Other Liabilities	6,053	7,831
Members' Equity	90,735	81,686
Stockholders' Equity Attributable to Noncontrolling Interest	416	416
Total liabilities and stockholders' equity	97,204	89,933
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	2,798	3,388
Inventory, Operative Builders	8,780	17,369
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	22,143	21,142
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	108,289	96,602
Total assets	436,579	368,137
Debt, net of deferred financing costs	117,342	88,050
Accrued Liabilities and Other Liabilities	54,714	49,302
Members' Equity	264,523	230,785
Stockholders' Equity Attributable to Noncontrolling Interest	0	0
Total liabilities and stockholders' equity	436,579	368,137
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	24,330	23,669
Inventory, Operative Builders	303,960	247,866
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	127,690	110,306
Equity Method Investment, Nonconsolidated Investee or Group of Investees
Condensed Balance Sheets:
Loans Receivable, Net	78,576	56,545
Rental Properties	1,244,911	1,021,848
Rental properties under development	666,386	535,197
Other Real Estate, Foreclosed Assets, and Repossessed Assets	6,752	12,267
Other	169,368	212,761
Total assets	2,786,471	2,503,663
Debt, net of deferred financing costs	1,368,065	1,226,857
Accrued Liabilities and Other Liabilities	186,817	175,827
Members' Equity	1,231,173	1,100,563
Stockholders' Equity Attributable to Noncontrolling Interest	416	416
Total liabilities and stockholders' equity	2,786,471	2,503,663
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	109,478	85,819
Inventory, Operative Builders	511,000	579,226
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	$ 430,701	$ 366,252