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Total Equity - Accumulated Other Comprehensive Income Reclassifications (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Aug. 31, 2025 | Aug. 31, 2024 | Aug. 31, 2025 | Aug. 31, 2024
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Revenues | $ 2,907,674 | $ 2,595,589 | $ 7,874,853 | $ 7,663,827
Compensation and benefits | (1,083,510) | (889,098) | (2,779,476) | (2,677,962)
Net earnings | 242,504 | 181,039 | 470,748 | 492,118
Income tax expense (benefit) | (89,311) | (78,011) | (147,033) | (207,077)
Principal transactions |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Revenues | 486,893 | 324,501 | 1,232,630 | 1,381,432
Amount Reclassified from Accumulated Other Comprehensive Income (Loss) |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Net earnings | 2,180 | 83 | 9,012 | 2,536
Amount Reclassified from Accumulated Other Comprehensive Income (Loss) | Net unrealized gains (losses) on instrument-specific credit risk at fair value |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Income tax expense (benefit) | (800) | (100) | (3,400) | (1,000)
Amount Reclassified from Accumulated Other Comprehensive Income (Loss) | Net unrealized gains (losses) on instrument-specific credit risk at fair value | Principal transactions |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Revenues | 2,304 | 150 | 9,962 | 2,783
Amount Reclassified from Accumulated Other Comprehensive Income (Loss) | Amortization of defined benefit pension plan actuarial losses |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Compensation and benefits | $ (124) | $ (67) | (950) | (247)
Income tax expense (benefit) |  |  | $ 300 | $ 100

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