Rialto Segment (Allowance on Loans Receivable) (Details) - Rialto [Member] - USD ($) $ in Thousands	3 Months Ended
	Feb. 29, 2016	Feb. 28, 2015
Nonaccrual [Roll Forward]
Impaired Financing Receivable, Related Allowance, beginning period	$ 35,625	$ 58,236
Provision for Loan and Lease Losses	2,339	1,224
Financing Receivable, Allowance for Credit Losses, Write-downs	(7,571)	(8,441)
Impaired Financing Receivable, Related Allowance, end of period	$ 30,393	$ 51,019