Investments - Loans and Investments In Related Parties (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Aug. 31, 2026	Aug. 31, 2025	Aug. 31, 2026	Aug. 31, 2025	Nov. 30, 2025
Equity Method Investments and Joint Ventures [Abstract]
Total Investments in and loans to related parties	$ 1,653,340		$ 1,653,340		$ 1,496,125
Total equity method pickup earnings (losses) recognized in Other revenues	$ 52,800	$ 39,100	$ 99,100	$ 54,300

Amount of income (loss) for proportionate share of equity method investee's income (loss).

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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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