Investments - Other Asset Management Companies - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
Feb. 29, 2024	Nov. 30, 2023
Monashee
Schedule of Equity Method Investments [Line Items]
Our total equity balance	$ 21.9	$ 15.8
Ownership percentage		50.00%
Percentage of profits received from joint venture		47.50%
Gain upon nonmonetary exchange	$ 6.0
Payments to acquire investments		$ 5.2
Monashee's Separate Managed Accounts
Schedule of Equity Method Investments [Line Items]
Our total equity balance		$ 20.2

Equity Method Investment, Gain Upon Nonmonetary Exchange

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Percentage Of Profits Received From Joint Venture

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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