Supplemental Guarantor Information (Level 4 CF) (Details 3) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jan. 31, 2020	Jan. 31, 2019	Jul. 31, 2018	Oct. 31, 2019	Oct. 31, 2018
Cash flow (used in) provided by operating activities:
Net Cash (Used in) Provided by Operating Activities, Continuing Operations	$ (366,416)	$ (185,225)
Cash flow (used in) provided by investing activities:
Purchase of property and equipment - net	(26,839)	(19,576)
Investments in and advances to unconsolidated entities	(4,909)	(17,205)
Return of investments in unconsolidated entities	28,983	42,677
Investment in distressed loans and foreclosed real estate	(234)	(130)
Return of investments in distressed loans and foreclosed real estate	883	482
Proceeds from sale of golf club property		18,220
Investments paid intercompany	0		$ 0
Intercompany investing advances (to) from consolidated entities	0	0
Net cash provided by (used in) investing activities	(2,116)	24,468
Cash flow provided by (used in) financing activities:
Proceeds from loans payable	702,729	809,506
Debt issuance costs for loans payable		(2,058)
Repayments of Notes Payable	(608,481)	(633,593)
Repayments of Senior Debt		(350,000)
(Payments) proceeds from stock-based benefit plans	4,235	(1,831)
Purchase of treasury stock	(476,024)	(25,143)
Dividends paid	(14,956)	(16,369)
Proceeds from (Payments to) Noncontrolling Interests	44
Investment received intercompany	0	0
Intercompany financing advances (to) from consolidated entities	0	0
Net cash provided by (used in) financing activities	(392,453)	(219,488)
Net increase (decrease) in cash and cash equivalents	(760,985)	(380,245)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	558,658	802,694		$ 1,319,643	$ 1,182,939
Parent Company [Member]
Cash flow (used in) provided by operating activities:
Net Cash (Used in) Provided by Operating Activities, Continuing Operations	(21,545)	(33,260)
Cash flow (used in) provided by investing activities:
Purchase of property and equipment - net
Investments in and advances to unconsolidated entities
Return of investments in unconsolidated entities
Investment in distressed loans and foreclosed real estate
Return of investments in distressed loans and foreclosed real estate
Investments paid intercompany
Intercompany investing advances (to) from consolidated entities	508,290	76,603
Net cash provided by (used in) investing activities	508,290	76,603
Cash flow provided by (used in) financing activities:
Proceeds from loans payable
Debt issuance costs for loans payable
Repayments of Notes Payable
Repayments of Senior Debt
(Payments) proceeds from stock-based benefit plans	4,235	(1,831)
Purchase of treasury stock	(476,024)	(25,143)
Dividends paid	(14,956)	(16,369)
Proceeds from (Payments to) Noncontrolling Interests
Investment received intercompany
Intercompany financing advances (to) from consolidated entities
Net cash provided by (used in) financing activities	(486,745)	(43,343)
Net increase (decrease) in cash and cash equivalents	0	0
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	0	0		0	0
Subsidiary Issuer [Member]
Cash flow (used in) provided by operating activities:
Net Cash (Used in) Provided by Operating Activities, Continuing Operations	20,425	4,268
Cash flow (used in) provided by investing activities:
Purchase of property and equipment - net
Investments in and advances to unconsolidated entities
Return of investments in unconsolidated entities
Investment in distressed loans and foreclosed real estate
Return of investments in distressed loans and foreclosed real estate
Investments paid intercompany
Intercompany investing advances (to) from consolidated entities	(20,425)	345,732
Net cash provided by (used in) investing activities	(20,425)	345,732
Cash flow provided by (used in) financing activities:
Proceeds from loans payable
Debt issuance costs for loans payable
Repayments of Notes Payable
Repayments of Senior Debt		(350,000)
(Payments) proceeds from stock-based benefit plans
Purchase of treasury stock
Dividends paid
Proceeds from (Payments to) Noncontrolling Interests
Investment received intercompany
Intercompany financing advances (to) from consolidated entities
Net cash provided by (used in) financing activities	0	(350,000)
Net increase (decrease) in cash and cash equivalents	0	0
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	0	0		0	0
Guarantor Subsidiaries [Member]
Cash flow (used in) provided by operating activities:
Net Cash (Used in) Provided by Operating Activities, Continuing Operations	(330,808)	(207,541)
Cash flow (used in) provided by investing activities:
Purchase of property and equipment - net	(27,071)	(19,707)
Investments in and advances to unconsolidated entities	(35)	(2,235)
Return of investments in unconsolidated entities	9,507
Investment in distressed loans and foreclosed real estate
Return of investments in distressed loans and foreclosed real estate
Investments paid intercompany	(85,631)	(20,000)
Intercompany investing advances (to) from consolidated entities
Net cash provided by (used in) investing activities	(103,230)	(41,942)
Cash flow provided by (used in) financing activities:
Proceeds from loans payable	150,000	300,000
Debt issuance costs for loans payable		(2,058)
Repayments of Notes Payable	(3,405)	(48,222)
Repayments of Senior Debt
(Payments) proceeds from stock-based benefit plans
Purchase of treasury stock
Dividends paid
Proceeds from (Payments to) Noncontrolling Interests
Investment received intercompany
Intercompany financing advances (to) from consolidated entities	(458,004)	(387,492)
Net cash provided by (used in) financing activities	(311,409)	(137,772)
Net increase (decrease) in cash and cash equivalents	(745,447)	(387,255)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	336,643	624,612		1,082,090	1,011,867
Nonguarantor Subsidiaries [Member]
Cash flow (used in) provided by operating activities:
Net Cash (Used in) Provided by Operating Activities, Continuing Operations	(5,654)	60,699
Cash flow (used in) provided by investing activities:
Purchase of property and equipment - net	232	131
Investments in and advances to unconsolidated entities	(4,874)	(14,970)
Return of investments in unconsolidated entities	19,476	42,677
Investment in distressed loans and foreclosed real estate	(234)	(130)
Return of investments in distressed loans and foreclosed real estate	883	482
Proceeds from sale of golf club property		18,220
Investments paid intercompany
Intercompany investing advances (to) from consolidated entities
Net cash provided by (used in) investing activities	15,483	46,410
Cash flow provided by (used in) financing activities:
Proceeds from loans payable	552,729	509,506
Debt issuance costs for loans payable
Repayments of Notes Payable	(605,076)	(585,371)
Repayments of Senior Debt
(Payments) proceeds from stock-based benefit plans
Purchase of treasury stock
Dividends paid
Proceeds from (Payments to) Noncontrolling Interests	44
Investment received intercompany	85,628	20,000
Intercompany financing advances (to) from consolidated entities	(58,692)	(44,234)
Net cash provided by (used in) financing activities	(25,367)	(100,099)
Net increase (decrease) in cash and cash equivalents	(15,538)	7,010
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	222,015	178,082		237,553	171,072
Eliminations [Member]
Cash flow (used in) provided by operating activities:
Net Cash (Used in) Provided by Operating Activities, Continuing Operations	(28,834)	(9,391)
Cash flow (used in) provided by investing activities:
Purchase of property and equipment - net
Investments in and advances to unconsolidated entities
Return of investments in unconsolidated entities
Investment in distressed loans and foreclosed real estate
Return of investments in distressed loans and foreclosed real estate
Investments paid intercompany	85,631	20,000
Intercompany investing advances (to) from consolidated entities	(487,865)	(422,335)
Net cash provided by (used in) investing activities	(402,234)	(402,335)
Cash flow provided by (used in) financing activities:
Proceeds from loans payable
Debt issuance costs for loans payable
Repayments of Notes Payable
Repayments of Senior Debt
(Payments) proceeds from stock-based benefit plans
Purchase of treasury stock
Dividends paid
Proceeds from (Payments to) Noncontrolling Interests
Investment received intercompany	(85,628)	(20,000)
Intercompany financing advances (to) from consolidated entities	516,696	431,726
Net cash provided by (used in) financing activities	431,068	411,726
Net increase (decrease) in cash and cash equivalents	0	0
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	$ 0	$ 0		$ 0	$ 0