Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2019	Oct. 31, 2018	Oct. 31, 2017
Cash flow provided by operating activities:
Net income	$ 590,007	$ 748,151	$ 535,495
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	72,149	25,259	25,361
Stock-based compensation	26,180	28,312	28,466
Income from unconsolidated entities	(24,868)	(85,240)	(116,066)
Distributions of earnings from unconsolidated entities	31,799	86,099	134,291
Income from distressed loans and foreclosed real estate	(947)	(1,551)	(4,937)
Deferred tax provision	102,764	(21,930)	217,864
Change in deferred tax valuation allowances			(32,154)
Inventory impairments and write-offs	42,360	35,156	14,794
Gain (Loss) on Disposition of Business	(36,277)
Other	(1,042)	3,111	1,395
Changes in operating assets and liabilities
Decrease (increase) in inventory	(40,236)	(143,598)	129,666
Origination of mortgage loans	(1,611,496)	(1,449,494)	(1,217,274)
Sale of mortgage loans	1,565,944	1,410,627	1,332,207
(Increase) decrease in receivables, prepaid expenses and other assets	(185,261)	(99,604)	(60,944)
Increase in Income Taxes Receivable	(20,791)
Increase in customer deposits	14,041	(718)	37,967
Increase (decrease) in accounts payable and accrued expenses	(64,518)	57,927	(140,463)
Increase (decrease) in income taxes payable	(22,147)	(4,296)	(23,970)
Net cash provided by (used in) operating activities	437,661	588,211	861,698
Cash flow provided by (used in) investing activities:
Purchase of property and equipment - net	(86,971)	(28,232)	(28,872)
Sale and redemption of marketable securities and restricted investments - net			18,049
Investment in unconsolidated entities	(56,560)	(27,491)	(122,334)
Return of investments in unconsolidated entities	147,927	133,190	195,505
Investment in foreclosed real estate and distressed loans	(731)	(966)	(710)
Return of investments in foreclosed real estate and distressed loans	3,147	4,765	13,765
Proceeds from Sale of Productive Assets	79,647
Acquisition of a business, net of cash acquired	(162,373)		(83,088)
Net cash (used in) provided by investing activities	(75,914)	81,266	(7,685)
Cash flow (used in) provided by financing activities:
Proceeds from issuance of senior notes	400,000	400,000	455,483
Proceeds from loans payable	2,699,028	2,630,835	1,621,043
Debt issuance costs	(6,180)	(3,531)	(4,449)
Repayments of Notes Payable	(2,471,616)	(2,690,164)	(1,999,357)
Repayments of senior notes	(600,000)		(687,500)
(Payments) proceeds from stock-based benefit plans	17,369	13,392	66,000
Purchase of treasury stock	(233,523)	(503,159)	(290,881)
Payments of Dividends	(63,641)	(61,704)	(38,587)
Receipts (payments) related to noncontrolling interest, net	49	30
Net cash provided by (used in) financing activities	(258,514)	(214,301)	(878,248)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect	103,233	455,176	(24,235)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, beginning of period	1,216,410	761,234	785,469
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, end of period	$ 1,319,643	$ 1,216,410	$ 761,234