Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	May 31, 2020	May 31, 2019
Net cash flows from operating activities:
Net income	$ 155,566	$ 719,291
Adjustments to reconcile net income to net cash provided by (used for) operations:
Deferred income tax provision	25,176	40,388
Recognition of accumulated other comprehensive income lodged taxes	0	(544,583)
Depreciation and amortization of real estate, property, equipment and leasehold improvements	73,450	64,428
Other amortization	5,719	(13,669)
Share-based compensation	20,684	24,886
Provision for doubtful accounts	22,979	13,098
(Income) loss related to associated companies	100,712	(103,804)
Distributions from associated companies	51,860	150,273
Net losses related to property and equipment, and other assets	55,867	2,761
Lease expense	44,645
Lease payments	(40,949)
Net change in:
Securities deposited with clearing and depository organizations	(61,212)	(3)
Financial instruments owned, at fair value	(1,763,950)	251,972
Securities borrowed	1,142,449	(1,192,513)
Securities purchased under agreements to resell	(14,988)	(1,253,866)
Receivables from brokers, dealers and clearing organizations	(1,224,653)	(680,802)
Receivables from customers of securities operations	409,989	228,412
Other receivables	(8,007)	(125,315)
Other assets	(210,659)	(137,438)
Financial instruments sold, not yet purchased, at fair value	(809,728)	654,849
Securities loaned	438,246	500,307
Securities sold under agreements to repurchase	1,159,948	233,115
Payables to brokers, dealers and clearing organizations	405,873	26,872
Payables to customers of securities operations	(153,116)	(38,618)
Trade payables, expense accruals and other liabilities	199,297	(347,271)
Other	135,762	86,869
Net cash provided by (used for) operating activities	160,960	(1,440,361)
Net cash flows from investing activities:
Acquisitions of property, equipment and leasehold improvements, and other assets	(120,708)	(102,515)
Proceeds from disposals of property and equipment, and other assets	3,351	5,860
Advances on notes, loans and other receivables	(414,031)	(199,276)
Collections on notes, loans and other receivables	384,528	131,249
Loans to and investments in associated companies	(1,382,827)	(74,105)
Capital distributions and loan repayments from associated companies	1,344,570	25,612
Purchases of investments (other than short-term)	(265)	(1,986)
Proceeds from maturities of investments	2,025	531,067
Proceeds from sales of investments	19,939	886,876
Net cash provided by (used for) investing activities	(163,418)	1,202,782
Net cash flows from financing activities:
Issuance of debt, net of issuance costs	1,850,147	1,230,064
Repayment of debt	(1,930,381)	(877,593)
Net change in other secured financings	(325,234)	264,168
Net change in bank overdrafts	(3,126)	(14,352)
Distributions to noncontrolling interests	(216)	(2,481)
Contributions from noncontrolling interests	17,504	6,705
Purchase of common shares for treasury	(495,253)	(364,708)
Dividends paid	(83,436)	(74,563)
Other	575	581
Net cash provided by (used for) financing activities	(969,420)	167,821
Effect of foreign exchange rate changes on cash, cash equivalents and restricted cash	(13,547)	(3,892)
Net decrease in cash, cash equivalents and restricted cash	(985,425)	(73,650)
Cash, cash equivalents and restricted cash at beginning of period	8,480,435	6,012,662
Cash, cash equivalents and restricted cash at end of period	$ 7,495,010	$ 5,939,012