Schedule I (PARENT COMPANY ONLY) - Additional Information (Details) - USD ($) $ in Thousands	Nov. 30, 2022	Nov. 30, 2021
Debt Instrument [Line Items]
Long-term debt	$ 8,774,086	$ 9,125,745	[1]
Unsecured long-term debt
Debt Instrument [Line Items]
Long-term debt	7,474,530	8,002,852
Unsecured long-term debt | Structured notes
Debt Instrument [Line Items]
Long-term debt	1,583,828	1,843,598
Parent company
Debt Instrument [Line Items]
Maximum amount payable under guarantees	876,200
Long-term debt	$ 7,474,530	$ 8,002,852

[1] See Note 1 for a description of financial statement presentation changes made as a result of our Merger with Jefferies Group.