Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Feb. 29, 2020	Feb. 28, 2019
Net cash flows from operating activities:
Net income	$ 112,021	$ 47,015
Adjustments to reconcile net income to net cash used for operations:
Deferred income tax provision	12,237	1,948
Depreciation and amortization of real estate, property, equipment and leasehold improvements	36,415	30,671
Other amortization	2,971	(9,225)
Share-based compensation	9,947	11,813
Provision for doubtful accounts	10,870	9,672
(Income) loss related to associated companies	39,096	(38,650)
Distributions from associated companies	49,646	120,573
Net losses related to property and equipment, and other assets	34,193	1,784
Lease expense	22,764
Lease payments	(18,388)
Net change in:
Securities deposited with clearing and depository organizations	(296,514)	12
Financial instruments owned, at fair value	(1,526,004)	(358,751)
Securities borrowed	910,494	(674,484)
Securities purchased under agreements to resell	(614,635)	(660,842)
Receivables from brokers, dealers and clearing organizations	(1,433,478)	(1,094,082)
Receivables from customers of securities operations	(48,710)	417,327
Other receivables	(28,454)	(27,067)
Other assets	(231,104)	(173,435)
Financial instruments sold, not yet purchased, at fair value	(635,893)	705,164
Securities loaned	371,286	378,261
Securities sold under agreements to repurchase	909,654	632,686
Payables to brokers, dealers and clearing organizations	1,569,726	301,741
Payables to customers of securities operations	(51,154)	212,895
Trade payables, expense accruals and other liabilities	(199,966)	(652,490)
Other	74,897	33,509
Net cash used for operating activities	(918,083)	(783,955)
Net cash flows from investing activities:
Acquisitions of property, equipment and leasehold improvements, and other assets	(60,982)	(46,059)
Proceeds from disposals of property and equipment, and other assets	1,230	2,313
Advances on notes, loans and other receivables	(239,241)	(87,019)
Collections on notes, loans and other receivables	229,476	57,013
Loans to and investments in associated companies	(864,422)	(45,448)
Capital distributions and loan repayments from associated companies	883,299	802
Purchases of investments (other than short-term)	0	(1,386)
Proceeds from maturities of investments	0	527,148
Proceeds from sales of investments	1,330	667,488
Net cash provided by (used for) investing activities	(49,310)	1,074,852
Net cash flows from financing activities:
Issuance of debt, net of issuance costs	759,478	533,435
Repayment of debt	(555,076)	(307,695)
Net change in other secured financings	(150,485)	(7,450)
Net change in bank overdrafts	(34,518)	(8,360)
Contributions from noncontrolling interests	17,100	0
Purchase of common shares for treasury	(310,187)	(214,661)
Dividends paid	(42,793)	(37,817)
Other	316	4,211
Net cash used for financing activities	(316,165)	(38,337)
Effect of foreign exchange rate changes on cash, cash equivalents and restricted cash	(2,927)	13,194
Net increase (decrease) in cash, cash equivalents and restricted cash	(1,286,485)	265,754
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	$ 7,193,950	$ 6,278,416