Commitments and Contingent Liabilities - (Additional Information About Leases) (Details) $ in Thousands	6 Months Ended
	May 31, 2024 USD ($)	May 31, 2023 USD ($)	Dec. 31, 2023 ft²	Nov. 30, 2023 USD ($)
Contingencies
Right-of-use assets	$ 151,600			$ 145,812
Lease liabilities	$ 162,571			$ 154,271
Weighted-average remaining lease term (in years)	5 years 2 months 12 days			7 years 6 months
Weighted-average discount rate	3.90%			3.40%
Rental expense	$ 54,684	$ 52,998
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