Commitments and Contingencies (Changes in the Warranty and Self-Insurance Liability) (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||||||
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May 31, 2021 |
May 31, 2020 |
May 31, 2021 |
May 31, 2020 |
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Changes in the Warranty Liability | ||||||||
Balance at beginning of period | $ 92,687 | $ 90,213 | $ 91,646 | $ 88,839 | ||||
Warranties issued | 9,378 | 7,271 | 16,835 | 15,634 | ||||
Payments | (6,212) | (4,640) | (12,628) | (11,629) | ||||
Standard and Extended Product Warranty Accrual, Increase (Decrease) for Preexisting Warranties | 0 | 0 | 0 | 0 | ||||
Balance at end of period | 95,853 | 92,844 | 95,853 | 92,844 | ||||
Movement In Self Insurance Reserve [Roll Forward] | ||||||||
Balance at beginning of period | 193,445 | 181,481 | 194,180 | 177,765 | ||||
Self-insurance expense | 5,928 | 1,343 | 10,511 | 5,977 | ||||
Payments | (10,097) | [1] | (1,825) | [1] | (15,597) | (2,972) | ||
Balance at end of period | 194,269 | 178,081 | 194,269 | 178,081 | ||||
Self Insurance [Member] | ||||||||
Movement In Self Insurance Reserve [Roll Forward] | ||||||||
Increase (Decrease) in Insurance Liabilities | $ 4,993 | $ (2,918) | $ 5,175 | $ (2,689) | ||||
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