Rialto Segment (Condensed Financial Information By Equity Method Investment) (Details) - USD ($) $ in Thousands	12 Months Ended
	Nov. 30, 2015	Nov. 30, 2014	Nov. 30, 2013
Segment Reporting Information [Line Items]
Equity in earnings (loss) from unconsolidated entities	$ 105,184	$ 73,376	$ 45,885
Rialto [Member]
Segment Reporting Information [Line Items]
Cash and cash equivalents	188,147	141,609
Loans receivable	473,997	512,034
Real estate owned	506,609	378,702
Investment securities	1,092,476	795,306
Real estate partnerships	429,979	311,037
Other assets	30,340	45,451
Total Assets	2,721,548	2,184,139
Accounts payable and other liabilities	29,462	20,573
Notes payable	374,498	395,654
Equity	2,317,588	1,767,912
Total Liabilities and equity	2,721,548	2,184,139
Revenues	170,921	150,452	251,533
Costs and expenses	97,162	95,629	252,563
Other income (expense), net	144,941	479,929	187,446
Net earnings of unconsolidated entities	218,700	534,752	186,416
Equity in earnings (loss) from unconsolidated entities	$ 22,293	$ 59,277	$ 22,353