Commitments and Contingent Liabilities - (Additional Information About Leases) (Details) $ in Thousands	3 Months Ended
	Feb. 28, 2025 USD ($)	Feb. 29, 2024 USD ($)	Nov. 30, 2024 USD ($)	Dec. 31, 2023 ft²
Contingencies
Right-of-use assets	$ 270,683		$ 275,248
Lease liabilities	$ 256,082		$ 262,119
Weighted-average remaining lease term (in years)	4 years 9 months 18 days		4 years 8 months 12 days
Weighted-average discount rate	5.10%		5.00%
Rental expense	$ 51,504	$ 26,217
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