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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
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Aug. 31, 2022 | Aug. 31, 2021 | Aug. 31, 2022 | Aug. 31, 2021
Changes in the Warranty Liability |  |  |  |  |
Balance at beginning of period |  | $ 99,207 | $ 95,853 | $ 96,153 | $ 91,646
Warranties issued |  | 10,377 | 8,264 | 27,945 | 25,099
Payments |  | (10,084) | (6,304) | (24,598) | (18,932)
Balance at end of period |  | 99,500 | 97,813 | 99,500 | 97,813
Movement In Self Insurance Reserve [Roll Forward] |  |  |  |  |
Balance at beginning of period |  | 168,675 | 194,269 | 189,131 | 194,180
Self-insurance expense |  | 5,763 | 5,168 | 16,275 | 15,679
Payments |  | (860) | (4,699) | (14,990) | (20,296)
Balance at end of period |  | 171,278 | 186,666 | 171,278 | 186,666
Self Insurance [Member] |  |  |  |  |
Movement In Self Insurance Reserve [Roll Forward] |  |  |  |  |
Increase (Decrease) in Insurance Liabilities | [1] | $ (2,300) | $ (8,072) | $ (19,138) | $ (2,897)
[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. The amount for the nine months ended August 31, 2022 primarily reflected a change in the actuarially determined estimate of probable recoveries largely associated with higher self-insured retention levels in our more recent coverage years, and an insurance carrier’s payment of a portion of a townhome claim settlement reached in the 2022 first quarter.

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- Definition Movement In Self Insurance Reserve [Roll Forward] + References No definition available. + Details
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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 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 + Details
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- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.24) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (c)(1),(c)(5) -URI http://asc.fasb.org/extlink&oid=123368208&loc=d3e12565-110249 + Details
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- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph ((c)(2)) -URI http://asc.fasb.org/extlink&oid=123368208&loc=d3e12565-110249 + Details
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- Definition Amount of increase in the standard product warranty accrual from warranties issued. Excludes extended product warranties. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph ((c)(3)) -URI http://asc.fasb.org/extlink&oid=123368208&loc=d3e12565-110249 + Details
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