Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2018	Oct. 31, 2017	Oct. 31, 2016
Cash flow provided by operating activities:
Net income	$ 748,151	$ 535,495	$ 382,095
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	25,259	25,361	23,121
Stock-based compensation	28,312	28,466	26,679
Income from unconsolidated entities	(85,240)	(116,066)	(40,748)
Distributions of earnings from unconsolidated entities	86,099	134,291	15,287
Income from distressed loans and foreclosed real estate	(1,551)	(4,937)	(8,390)
Deferred tax provision	(21,930)	217,864	19,252
Change in deferred tax valuation allowances		(32,154)	1,018
Inventory impairments and write-offs	35,156	14,794	13,807
Other	3,111	1,395	(1,739)
Changes in operating assets and liabilities
Decrease (increase) in inventory	(143,598)	129,666	(391,178)
Origination of mortgage loans	(1,449,494)	(1,217,274)	(1,275,047)
Sale of mortgage loans	1,410,627	1,332,207	1,150,156
(Increase) decrease in receivables, prepaid expenses and other assets	(85,414)	42,405	(321,847)
Increase in customer deposits	(718)	37,967	27,838
Increase (decrease) in accounts payable and accrued expenses	57,927	(140,463)	524,553
Increase (decrease) in income taxes payable	(4,296)	(23,970)	6,028
Net cash provided by (used in) operating activities	602,401	965,047	150,885
Cash flow provided by (used in) investing activities:
Purchase of property and equipment - net	(28,232)	(28,872)	(28,426)
Sale and redemption of marketable securities and restricted investments - net		18,049	10,000
Investment in unconsolidated entities	(27,491)	(122,334)	(69,655)
Return of investments in unconsolidated entities	133,190	195,505	47,806
Investment in foreclosed real estate and distressed loans	(966)	(710)	(1,133)
Return of investments in foreclosed real estate and distressed loans	4,765	13,765	49,619
Acquisition of a business, net of cash acquired		(83,088)
Net cash (used in) provided by investing activities	81,266	(7,685)	8,211
Cash flow (used in) provided by financing activities:
Proceeds from issuance of senior notes	400,000	455,483
Proceeds from loans payable	2,630,835	1,621,043	2,443,496
Debt issuance costs	(3,531)	(4,449)	(4,903)
Principal payments of loans payable	(2,690,164)	(1,999,357)	(2,497,585)
Repayments of senior notes		(687,500)
Proceeds from stock-based benefit plans	13,392	66,000	6,986
Purchase of treasury stock	(503,159)	(290,881)	(392,772)
Payments of Dividends	(61,704)	(38,587)
Receipts (payments) related to noncontrolling interest, net	30		404
Net cash provided by (used in) financing activities	(214,301)	(878,248)	(444,374)
Net increase (decrease) in cash and cash equivalents	469,366	79,114	(285,278)
Cash and cash equivalents, beginning of period	712,829	633,715	918,993
Cash and cash equivalents, end of period	$ 1,182,195	$ 712,829	$ 633,715