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Commitments and Contingencies (Changes in the Warranty and Self-Insurance Liability) (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Aug. 31, 2021	Aug. 31, 2020	Aug. 31, 2021	Aug. 31, 2020
Changes in the Warranty Liability
Balance at beginning of period		$ 95,853	$ 92,844	$ 91,646	$ 88,839
Warranties issued		8,264	6,326	25,099	21,960
Payments		(6,304)	(4,823)	(18,932)	(16,452)
Standard and Extended Product Warranty Accrual, Increase (Decrease) for Preexisting Warranties		0	0	0	0
Balance at end of period		97,813	94,347	97,813	94,347
Movement In Self Insurance Reserve [Roll Forward]
Balance at beginning of period		194,269	178,081	194,180	177,765
Self-insurance expense		5,168	3,545	15,679	9,522
Payments		(4,699)	(616)	(20,296)	(3,588)
Balance at end of period		186,666	184,109	186,666	184,109
Self Insurance [Member]
Movement In Self Insurance Reserve [Roll Forward]
Increase (Decrease) in Insurance Liabilities	[1]	$ (8,072)	$ 3,099	$ (2,897)	$ 410
[1] Represents 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.

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Expenses associated with self-insurance.

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Movement In Self Insurance Reserve [Roll Forward]

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Payments for Self Insurance

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- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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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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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
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-Section 50
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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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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
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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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Amount of increase in the standard product warranty accrual from warranties issued. Excludes extended product warranties.

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