Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	May. 31, 2015	May. 31, 2014
Cash flows from operating activities:
Net earnings	$ 72,735	$ 177,206
Adjustments to reconcile net earnings to net cash used in operating activities:
Depreciation and amortization	5,832	(10,052)
Income on loans to and investments in related parties	(49,146)	(37,893)
Distributions received on investments in related parties	58,408	41,260
Other adjustments	(74,394)	(9,588)
Net change in assets and liabilities:
Cash and securities segregated and on deposit for regulatory purposes or deposited with clearing and depository organizations	1,046,324	329,559
Receivables:
Brokers, dealers and clearing organizations	(322,270)	(497,178)
Customers	33,933	(726,552)
Fees, interest and other	(140,263)	(39,072)
Securities borrowed	(988,097)	(732,449)
Financial instruments owned	(228,076)	(661,495)
Investments in managed funds	16,525	12,469
Securities purchased under agreements to resell	137,998	(852,859)
Other assets	(58,379)	(31,835)
Payables:
Brokers, dealers and clearing organizations	(728,172)	205,669
Customers	(1,785,772)	392,939
Securities loaned	1,098,339	390,165
Financial instruments sold, not yet purchased	325,114	1,071,678
Securities sold under agreements to repurchase	463,962	878,120
Accrued expenses and other liabilities	(144,355)	(88,488)
Net cash used in operating activities	(1,259,754)	(188,396)
Cash flows from investing activities:
Contributions to loans to and investments in related parties	(916,094)	(941,725)
Distributions from loans to and investments in related parties	934,313	1,131,661
Net payments on premises and equipment	(32,433)	(59,595)
Deconsolidation of asset management entity	0	(137,856)
Cash received from contingent consideration	1,706	3,979
Net cash used in investing activities	(12,508)	(3,536)
Cash flows from financing activities:
Excess tax benefits from the issuance of share-based awards	423	1,364
Proceeds from short-term borrowings	9,700,000	6,081,157
Payments on short-term borrowings	(9,350,000)	(6,081,157)
Proceeds from secured credit facility	903,000	655,000
Payments on secured credit facility	(873,000)	(790,000)
Net proceeds from other secured financings	103,743	5,577
Net proceeds from issuance of senior notes, net of issuance costs	0	681,222
Proceeds from contributions of noncontrolling interests	0	31,076
Net cash provided by financing activities	484,166	584,239
Effect of exchange rate changes on cash and cash equivalents	(3,114)	4,862
Net (decrease) increase in cash and cash equivalents	(791,210)	397,169
Cash and cash equivalents at beginning of period	4,079,968	3,561,119
Cash and cash equivalents at end of period	3,288,758	3,958,288
Cash paid during the period for:
Interest	396,667	460,219
Income taxes, net	$ 1,425	$ 60,220