Financial Instruments and Fair Value Disclosure (Reconciliation of Beginning and Ending Balance of the Company's Level 3 Recurring Fair Value Measurements (Details) - Financial Services $ in Thousands	12 Months Ended
	Nov. 30, 2024 USD ($) transaction	Nov. 30, 2023 USD ($) transaction
Fair Value Assets Measures on Recurring Basis, Unobservable Inputs [Roll Forward]
Number of securitizations | transaction	13	10
Mortgage servicing rights
Fair Value Assets Measures on Recurring Basis, Unobservable Inputs [Roll Forward]
Beginning balance	$ 3,440	$ 3,463
Purchases/loan originations	463	200
Sales/loan originations sold, including those not settled	0	0
Disposals/settlements	(261)	(277)
Changes in fair value	(179)	54
Interest and principal paydowns	0	0
Ending balance	3,463	3,440
Mortgage servicing rights | Disposal Group, Held-for-Sale, Not Discontinued Operations
Fair Value Assets Measures on Recurring Basis, Unobservable Inputs [Roll Forward]
Ending balance	9,500
Loans held-for-sale
Fair Value Assets Measures on Recurring Basis, Unobservable Inputs [Roll Forward]
Beginning balance	13,459	25,599
Purchases/loan originations	568,520	466,043
Sales/loan originations sold, including those not settled	(522,647)	(430,707)
Disposals/settlements	(9,500)	(45,667)
Changes in fair value	296	(191)
Interest and principal paydowns	188	(1,618)
Ending balance	$ 50,316	$ 13,459