Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Aug. 31, 2022	Aug. 31, 2021
Net cash flows from operating activities:
Net income	$ 640,774	$ 1,343,784
Adjustments to reconcile net income to net cash provided by operations:
Deferred income tax benefit	(47,003)	(32,865)
Depreciation and amortization	133,081	125,957
Share-based compensation	32,960	71,219
Provision for doubtful accounts	31,246	48,091
(Income) loss related to associated companies	19,655	(125,962)
Distributions from associated companies	73,405	49,068
Gain on sale of subsidiaries	(144,301)	0
Net change in:
Securities deposited with clearing and depository organizations	0	34,237
Financial instruments owned, at fair value	(467,219)	(1,603,274)
Securities borrowed	(226,045)	724,187
Securities purchased under agreements to resell	3,490,151	(2,911,738)
Receivables from brokers, dealers and clearing organizations	974,330	264,375
Receivables from customers of securities operations	148,994	(581,647)
Other receivables	9,390	(107,228)
Other assets	(78,756)	(86,865)
Financial instruments sold, not yet purchased, at fair value	(70,700)	2,724,767
Securities loaned	(191,463)	(48,397)
Securities sold under agreements to repurchase	(843,502)	(748,003)
Payables to brokers, dealers and clearing organizations	516,573	708,810
Payables to customers of securities operations	(792,280)	39,890
Lease liabilities	(59,677)	(46,991)
Trade payables, expense accruals and other liabilities	(1,099,640)	302,689
Other	(602,781)	(57,559)
Net cash provided by operating activities	1,447,192	86,545
Net cash flows from investing activities:
Acquisitions of property, equipment and leasehold improvements, and other assets	(131,994)	(115,998)
Proceeds from Divestiture of Businesses, Net of Cash Divested	209,274	0
Advances on notes, loans and other receivables	(413,490)	(454,916)
Collections on notes, loans and other receivables	344,207	294,675
Loans to and investments in associated companies	(370,665)	(2,291,788)
Capital distributions and loan repayments from associated companies	265,651	2,308,786
Deconsolidation of asset management entity	(21,221)	0
Other	12,128	2,575
Net cash used for investing activities	(106,110)	(256,666)
Net cash flows from financing activities:
Issuance of debt, net of issuance costs	3,792,858	1,465,707
Repayment of debt	(3,200,762)	(1,580,894)
Net change in other secured financings	(2,332,733)	1,051,357
Net change in bank overdrafts	(5,238)	(6,350)
Distributions to noncontrolling interests	0	(15,997)
Contributions from noncontrolling interests	64,298	3,590
Purchase of common shares for treasury	(738,572)	(181,866)
Dividends paid	(211,774)	(161,330)
Other	2,187	1,631
Net cash provided by (used for) financing activities	(2,629,736)	575,848
Effect of foreign exchange rate changes on cash, cash equivalents and restricted cash	(20,183)	1,704
Net increase (decrease) in cash, cash equivalents and restricted cash	(1,308,837)	407,431
Cash, cash equivalents and restricted cash at beginning of period	11,828,304	9,664,972
Cash, cash equivalents and restricted cash at end of period	$ 10,519,467	$ 10,072,403