Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Apr. 30, 2017	Apr. 30, 2016
Cash flow used in operating activities:
Net income	$ 195,054	$ 162,234
Adjustments to reconcile net income (loss) to net cash (used in) provided by operating activities:
Depreciation and amortization	12,123	11,029
Stock-based compensation	15,585	15,081
Excess tax benefits from stock-based compensation	(708)	(665)
Income (Loss) from unconsolidated entities	(92,349)	(17,756)
Distributions of earnings from unconsolidated entities	108,864	10,230
Income from distressed loans and foreclosed real estate	(4,018)	(1,415)
Deferred tax provision (benefit)	3,816	722
Deferred tax valuation allowances	262	302
Inventory impairments and write-offs	8,917	7,634
Other	2,501	79
Changes in operating assets and liabilities
Increase in inventory	(190,125)	(289,735)
Origination of mortgage loans	(513,836)	(490,279)
Sale of mortgage loans	671,899	488,890
(Increase) decrease in restricted cash and investments	30,494	(12,102)
(Increase) decrease in receivables, prepaid expenses and other assets	56,034	11,421
Increase in customer deposits	57,405	32,416
(Decrease) increase in accounts payable and accrued expenses	(128,634)	32,845
Increase (decrease) in income taxes payable	27,117	23,189
Net Cash Used in Operating Activities, Continuing Operations	260,401	(15,880)
Cash flow provided by investing activities:
Purchase of property and equipment - net	(11,709)	(7,324)
Sale and redemption of marketable securities		10,000
Investment in and advances to unconsolidated entities	(113,515)	(21,383)
Return of investments in unconsolidated entities	98,087	28,478
Investment in distressed loans and foreclosed real estate	(513)	(866)
Return of investments in distressed loans and foreclosed real estate	4,376	33,435
Acquisition of a business, net of cash acquired	(85,183)
Net Cash Provided By Investing Activities, Continuing Operations	(108,457)	42,340
Cash flow (used in) provided by financing activities:
Proceeds from issuance of senior notes	300,000
Debt issuance costs for senior notes	(2,830)	(43)
Proceeds from loans payable	769,454	821,984
Principal payments of loans payable	(1,173,880)	(1,119,911)
Proceeds from stock-based benefit plans	40,628	5,003
Excess Tax Benefit from Share-based Compensation, Financing Activities	708	665
Purchase of treasury stock	(15,422)	(230,263)
Dividends paid	(13,051)
(Payments) receipts related to noncontrolling interest, net		290
Net Cash Used in Financing Activities, Continuing Operations	(94,393)	(522,275)
Net increase (decrease) in cash and cash equivalents	57,551	(495,815)
Cash and cash equivalents, beginning of period	633,715	918,993
Cash and cash equivalents, end of period	$ 691,266	$ 423,178