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 |