Rialto Segment (Condensed Financial Information By Equity Method Investment) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	May 31, 2016	May 31, 2015	May 31, 2016	May 31, 2015	Nov. 30, 2015
Segment Reporting Information [Line Items]
Equity in earnings from unconsolidated entities			$ 35,422	$ 44,785
Rialto
Segment Reporting Information [Line Items]
Cash and cash equivalents	$ 122,120		122,120		$ 188,147
Loans receivable	388,105		388,105		473,997
Real estate owned	597,915		597,915		506,609
Investment securities	1,231,257		1,231,257		1,092,476
Investments in partnerships	421,272		421,272		429,979
Other assets	42,889		42,889		30,340
Total assets	2,803,558		2,803,558		2,721,548
Accounts payable and other liabilities	24,702		24,702		29,462
Notes payable	524,416		524,416		374,498
Equity	2,254,440		2,254,440		2,317,588
Total liabilities and equity	2,803,558		2,803,558		$ 2,721,548
Revenues	51,240	$ 39,320	95,536	81,058
Costs and expenses	20,704	25,082	41,603	48,087
Other income (expense), net	26,710	55,477	11,548	61,351
Net earnings of unconsolidated entities	57,246	69,715	65,481	94,322
Equity in earnings from unconsolidated entities	$ 6,864	$ 7,328	$ 8,361	$ 9,992