Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Aug. 31, 2016	Aug. 31, 2015
Cash flows from operating activities:
Net earnings (loss)	$ (71,669)	$ 75,219
Adjustments to reconcile net earnings (loss) to net cash used in operating activities:
Depreciation and amortization	(2,888)	10,784
Loss (income) on loans to and investments in related parties	15,862	(87,692)
Distributions received on investments in related parties	11,187	70,825
Other adjustments	13,359	(64,479)
Net change in assets and liabilities:
Cash and securities segregated and on deposit for regulatory purposes or deposited with clearing and depository organizations	(277,019)	2,538,334
Receivables:
Brokers, dealers and clearing organizations	(392,632)	100,690
Customers	341,930	(52,530)
Fees, interest and other	(35,514)	(41,759)
Securities borrowed	(1,510,588)	(852,183)
Financial instruments owned	2,079,134	(321,076)
Investments in managed funds	(132,941)	14,508
Securities purchased under agreements to resell	(248,931)	(351,875)
Other assets	(237,291)	(8,988)
Payables:
Brokers, dealers and clearing organizations	781,782	192,867
Customers	(31,159)	(3,454,703)
Securities loaned	(22,326)	1,049,172
Financial instruments sold, not yet purchased	1,269,261	601,758
Securities sold under agreements to repurchase	(1,824,027)	176,960
Accrued expenses and other liabilities	68,024	(228,986)
Net cash used in operating activities	(206,446)	(633,154)
Cash flows from investing activities:
Contributions to loans to and investments in related parties	(343,835)	(1,111,830)
Distributions from loans to and investments in related parties	485,620	1,119,775
Net payments on premises and equipment	(51,001)	(51,348)
Payment on purchase of aircraft	(27,500)	0
Proceeds from sale of aircraft	29,450	0
Deconsolidation of asset management entity	(39)	(16,512)
Cash received from contingent consideration	1,211	2,541
Net cash provided by (used in) investing activities	93,906	(57,374)
Cash flows from financing activities:
Excess tax benefits from the issuance of share-based awards	384	423
Proceeds from short-term borrowings	8,350,534	14,422,000
Payments on short-term borrowings	(8,229,669)	(14,422,000)
Proceeds from secured credit facility	0	903,000
Payments on secured credit facility	0	(1,073,000)
Net (payments on) proceeds from other secured financings	(156,602)	200,810
Net proceeds from issuance of long-term debt, net of issuance costs	239,779	0
Repayment of long-term debt	(373,246)	0
Net change in bank overdrafts	(56,126)	24,466
Net proceeds from noncontrolling interests	3,937	0
Net cash (used in) provided by financing activities	(221,009)	55,699
Effect of exchange rate changes on cash and cash equivalents	(17,471)	(3,354)
Net decrease in cash and cash equivalents	(351,020)	(638,183)
Cash and cash equivalents at beginning of period	3,510,163	4,079,968
Cash and cash equivalents at end of period	3,159,143	3,441,785
Cash paid (received) during the period for:
Interest	675,896	621,279
Income taxes, net	$ (8,011)	$ 1,574