CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands	9 Months Ended
	Aug. 31, 2018	Aug. 31, 2017
Cash flows from operating activities:
Net earnings	$ 97,367	$ 267,635
Adjustments to reconcile net earnings to net cash provided by (used in) operating activities:
Depreciation and amortization	10,208	1,820
Income on loans to and investments in related parties	(30,687)	(65,323)
Distributions received on investments in related parties	2,330	8,021
Other adjustments	(96,359)	91,313
Net change in assets and liabilities:
Securities deposited with clearing and depository organizations	64,890	119
Receivables:
Brokers, dealers and clearing organizations	(27,967)	(546,424)
Customers	(388,076)	(448,494)
Fees, interest and other	64,563	(31,877)
Securities borrowed	309,722	0
Financial instruments owned	(1,115,411)	(160,080)
Securities purchased under agreements to resell	(53,020)	524,937
Other assets	117,440	(50,147)
Payables:
Brokers, dealers and clearing organizations	(260,193)	(652,668)
Customers	523,611	162,387
Securities loaned	(275,629)	(68,310)
Financial instruments sold, not yet purchased	52,196	50,267
Securities sold under agreements to repurchase	1,250,575	1,668,725
Accrued expenses and other liabilities	(392,471)	209,756
Net cash provided by (used in) operating activities	(146,911)	961,657
Cash flows from investing activities:
Contributions to loans to and investments in related parties	(1,918,500)	(2,916,204)
Distributions from loans to and investments in related parties	1,873,000	2,729,276
Net payments on premises and equipment	(52,699)	(53,595)
Cash received from contingent consideration	0	1,342
Consolidation of asset management entity	130	0
Net cash used in investing activities	(98,069)	(239,181)
Cash flows from financing activities:
Proceeds from short-term borrowings	616,283	144,174
Payments on short-term borrowings	(669,466)	(247,130)
Proceeds from issuance of long-term debt, net of issuance costs	1,321,714	1,030,027
Repayment of long-term debt	(1,025,563)	(121,957)
Dividend distribution	(218,593)	0
Net proceeds from (payments on) other secured financings	282,714	(203,036)
Net change in bank overdrafts	2,369	(5,764)
Proceeds from noncontrolling interests	10	0
Net cash provided by financing activities	309,468	596,314
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(16,084)	5,391
Net increase in cash, cash equivalents and restricted cash	48,404	1,324,181
Cash, cash equivalents and restricted cash at beginning of period	5,642,776	4,286,513
Cash, cash equivalents and restricted cash at end of period	5,691,180	5,610,694
Cash paid during the period for
Interest	1,001,307	777,969
Income taxes, net	$ 152,600	$ 3,329