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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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Area of a real estate property.

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Discount rate used by lessee to determine present value of operating lease payments.

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Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

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