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Postretirement Benefits (Net Periodic Cost) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Nov. 30, 2024
Nov. 30, 2023
Nov. 30, 2022
Retirement Benefits [Abstract]      
Interest cost $ 3,042 $ 2,884 $ 1,853
Service cost 695 720 1,132
Amortization of net actuarial (gain) loss (438) (112) 998
Total $ 3,299 $ 3,492 $ 3,983
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Excluding Service Cost, Statement of Income or Comprehensive Income [Extensible Enumeration] Selling, General and Administrative Expense Selling, General and Administrative Expense Selling, General and Administrative Expense