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Commitments and Contingencies (Changes in Warranty Liability) (Details) - USD ($) $ in Thousands		12 Months Ended
		Nov. 30, 2022	Nov. 30, 2021	Nov. 30, 2020
Changes in the Company's warranty liability
Balance at beginning of year		$ 96,153	$ 91,646	$ 88,839
Warranties issued		39,476	34,627	29,505
Payments		(33,739)	(26,120)	(23,098)
Adjustments		0	(4,000)	(3,600)
Balance at end of year		101,890	96,153	91,646
Movement In Self Insurance Reserve [Roll Forward]
Balance at beginning of year		189,131	194,180	177,765
Self-insurance provided		21,926	19,665	15,399
Payments		(21,984)	(29,369)	(4,375)
Balance at end of year		175,977	189,131	194,180
Increase (decrease) in self insurance reserve		7,000	6,800	(4,000)
Self Insurance
Movement In Self Insurance Reserve [Roll Forward]
Adjustments	[1]	$ (13,096)	$ 4,655	$ 5,391
[1] net changes in estimated probable recoveries related to self-insurance, which are recorded in receivables, to present our self-insurance liability on a gross basis; an adjustment to increase our previously recorded liability by $7.0 million in 2022 and $6.8 million in 2021; and an adjustment to reduce our previously recorded liability by $4.0 million in 2020.

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Expenses associated with self-insurance.

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Payments (Recoveries) for Self Insurance

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The increase (decrease) in insurance liability balances during the period.

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The increase (decrease) during the period in the carrying amount of accrued known and estimated losses incurred for which no insurance coverage exists, and for which a claim has been made or is probable of being asserted, typically arising from workmen's' compensation-type of incidents and personal injury to nonemployees from accidents on the entity's property.

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Amount of increase (decrease) in the standard and extended product warranty accrual from changes in estimates attributable to preexisting product warranties.

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Carrying amount (including both current and noncurrent portions) of accrued known and estimated losses incurred as of the balance sheet date for which no insurance coverage exists, and for which a claim has been made or is probable of being asserted, typically arising from workmen's compensation-type of incidents and personal injury to nonemployees from accidents on the entity's property.

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Amount as of the balance sheet date of the aggregate standard product warranty liability. Does not include the balance for the extended product warranty liability.

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Amount of decrease in the standard product warranty accrual from payments made in cash or in kind to satisfy claims under the terms of the standard product warranty. Excludes extended product warranties.

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