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Product Warranty (Schedule of Product Warranty Reserve) (Details) - USD ($)
$ in Thousands
3 Months Ended
Feb. 28, 2022
Feb. 28, 2021
Movement in Standard Product Warranty Accrual [Roll Forward]    
Warranty reserve, beginning of the period $ 377,021 $ 341,765
Warranties issued 49,192 42,928
Adjustments to pre-existing warranties from changes in estimates 4,724 5,641
Payments (56,791) (42,234)
Warranty reserve, end of period $ 374,146 $ 348,100