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Commitments and Contingent Liabilities - (Additional Information About Leases) (Details) $ in Thousands | 3 Months Ended |  |
--- | --- | --- | ---
Feb. 29, 2024 USD ($) | Feb. 28, 2023 USD ($) | Dec. 31, 2023 ft² | Nov. 30, 2023 USD ($)
Contingencies |  |  |  |
Right-of-use assets | $ 104,784 |  |  | $ 145,812
Lease liabilities | $ 112,671 |  |  | $ 154,271
Weighted-average remaining lease term (in years) | 5 years |  |  | 7 years 6 months
Weighted-average discount rate | 3.80% |  |  | 3.40%
Rental expense | $ 26,217 | $ 26,904 |  |
Headquarters |  |  |  |
Contingencies |  |  |  |
Area of real estate property (sqft) | ft² |  |  | 213,200 |
Leased Unused Office Space |  |  |  |
Contingencies |  |  |  |
Area of real estate property (sqft) | ft² |  |  | 53,000 |

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