Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2020	Oct. 31, 2019	Oct. 31, 2018
Cash flow provided by operating activities:
Net income	$ 446,624	$ 590,007	$ 748,151
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	68,873	72,149	25,259
Stock-based compensation	24,326	26,180	28,312
Income from unconsolidated entities	(948)	(24,868)	(85,240)
Distributions of earnings from unconsolidated entities	27,236	31,799	86,099
Income from distressed loans and foreclosed real estate	(623)	(947)	(1,551)
Deferred tax provision	97,780	102,764	(21,930)
Inventory impairments and write-offs	55,883	42,360	35,156
Gain (Loss) on Disposition of Business	(12,970)	(36,277)	0
Other	(3,151)	(1,042)	3,111
Changes in operating assets and liabilities
Decrease (increase) in inventory	352,858	(40,236)	(143,598)
Origination of mortgage loans	(1,815,824)	(1,611,496)	(1,449,494)
Sale of mortgage loans	1,806,278	1,565,944	1,410,627
(Increase) decrease in receivables, prepaid expenses and other assets	(176,293)	(185,261)	(99,604)
Increase in Income Taxes Receivable	(2,884)	(20,791)	0
Increase in customer deposits	70,423	14,041	(718)
Increase (decrease) in accounts payable and accrued expenses	71,835	(64,518)	57,927
Increase (decrease) in income taxes payable	(1,306)	(22,147)	(4,296)
Net cash provided by (used in) operating activities	1,008,117	437,661	588,211
Cash flow provided by (used in) investing activities:
Purchase of property and equipment - net	(109,564)	(86,971)	(28,232)
Investment in unconsolidated entities	(71,650)	(56,560)	(27,491)
Return of investments in unconsolidated entities	47,403	147,927	133,190
Investment in foreclosed real estate and distressed loans	(1,110)	(731)	(966)
Return of investments in foreclosed real estate and distressed loans	1,808	3,147	4,765
Proceeds from Sale of Productive Assets	15,617	79,647	0
Acquisition of a business, net of cash acquired	(60,349)	(162,373)	0
Net cash (used in) provided by investing activities	(177,845)	(75,914)	81,266
Cash flow (used in) provided by financing activities:
Proceeds from issuance of senior notes	0	400,000	400,000
Proceeds from loans payable	4,027,152	2,699,028	2,630,835
Debt issuance costs	0	(6,180)	(3,531)
Repayments of Notes Payable	(4,112,956)	(2,471,616)	(2,690,164)
Repayments of senior notes	0	(600,000)	0
(Payments) proceeds from stock-based benefit plans	24,856	17,369	13,392
Purchase of treasury stock	(634,057)	(233,523)	(503,159)
Payments of Dividends	(56,588)	(63,641)	(61,704)
Receipts (payments) related to noncontrolling interest, net	(1,718)	49	30
Net cash provided by (used in) financing activities	(753,311)	(258,514)	(214,301)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect	76,961	103,233	455,176
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, beginning of period	1,319,643	1,216,410	761,234
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, end of period	$ 1,396,604	$ 1,319,643	$ 1,216,410