Short-Term Borrowings - Schedule of Short-Term Borrowings (Details) - USD ($) $ in Thousands	Nov. 30, 2021	Nov. 30, 2020
Short-term Debt [Line Items]
Short-term borrowings	$ 221,863	$ 764,715
Floating rate puttable notes
Short-term Debt [Line Items]
Short-term borrowings	6,800	6,800
Equity-linked notes
Short-term Debt [Line Items]
Short-term borrowings	0	5,067
Jefferies Group Secured Bank Loan
Short-term Debt [Line Items]
Short-term borrowings	$ 215,063	$ 752,848

Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant