Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Jul. 31, 2017	Jul. 31, 2016
Cash flow used in operating activities:
Net income	$ 343,617	$ 267,717
Adjustments to reconcile net income (loss) to net cash (used in) provided by operating activities:
Depreciation and amortization	18,423	16,838
Stock-based compensation	22,088	21,006
Excess tax benefits from stock-based compensation	(1,172)	(1,131)
Income (Loss) from unconsolidated entities	(112,274)	(22,754)
Distributions of earnings from unconsolidated entities	125,138	14,615
Income from distressed loans and foreclosed real estate	(4,287)	(1,593)
Deferred tax provision (benefit)	59,266	(9,807)
Deferred tax valuation allowances	(32,154)	506
Inventory impairments and write-offs	11,314	11,353
Other	2,299	(669)
Changes in operating assets and liabilities
Increase in inventory	(228,887)	(667,539)
Origination of mortgage loans	(821,265)	(826,058)
Sale of mortgage loans	979,625	780,508
(Increase) decrease in restricted cash and investments	30,510	(26,388)
(Increase) decrease in receivables, prepaid expenses and other assets	46,941	(11,108)
Increase in customer deposits	64,252	43,407
(Decrease) increase in accounts payable and accrued expenses	(133,845)	38,073
Increase (decrease) in income taxes payable	55,273	47,771
Net Cash Used in Operating Activities, Continuing Operations	424,862	(325,253)
Cash flow provided by investing activities:
Purchase of property and equipment - net	(22,401)	(23,280)
Sale and redemption of marketable securities		10,000
Investment in and advances to unconsolidated entities	(119,714)	(40,627)
Return of investments in unconsolidated entities	139,346	34,769
Investment in distressed loans and foreclosed real estate	(688)	(964)
Return of investments in distressed loans and foreclosed real estate	12,429	34,601
Acquisition of a business, net of cash acquired	(85,183)
Net Cash Provided By Investing Activities, Continuing Operations	(76,211)	14,499
Cash flow (used in) provided by financing activities:
Proceeds from issuance of senior notes	455,483
Debt issuance costs for senior notes	(4,446)	(35)
Proceeds from loans payable	1,083,472	1,756,528
Debt issuance costs for loans payable		(3,936)
Principal payments of loans payable	(1,513,078)	(1,688,087)
Proceeds from stock-based benefit plans	57,958	5,336
Excess Tax Benefit from Share-based Compensation, Financing Activities	1,172	1,131
Purchase of treasury stock	(90,716)	(327,612)
Dividends paid	(26,016)
(Payments) receipts related to noncontrolling interest, net		290
Net Cash Used in Financing Activities, Continuing Operations	(36,171)	(256,385)
Net increase (decrease) in cash and cash equivalents	312,480	(567,139)
Cash and cash equivalents, beginning of period	633,715	918,993
Cash and cash equivalents, end of period	$ 946,195	$ 351,854