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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, 2020 | Aug. 31, 2019 | Aug. 31, 2020 | Aug. 31, 2019
Changes in the Warranty Liability |  |  |  |  |  |  |
Balance at beginning of period |  | $ 92,844 |  | $ 83,030 |  | $ 88,839 | $ 82,490
Warranties issued |  | 6,326 |  | 9,067 |  | 21,960 | 23,500
Payments |  | (4,823) |  | (5,925) |  | (16,452) | (17,018)
Standard and Extended Product Warranty Accrual, Increase (Decrease) for Preexisting Warranties |  | 0 |  | 0 |  | 0 | (2,800)
Balance at end of period |  | 94,347 |  | 86,172 |  | 94,347 | 86,172
Movement In Self Insurance Reserve [Roll Forward] |  |  |  |  |  |  |
Balance at beginning of period |  | 178,081 |  | 170,978 |  | 177,765 | 176,841
Self-insurance expense | [1] | 3,545 |  | 4,802 |  | 9,522 | 12,844
Payments |  | 2,483 | [2] | 5,162 | [2] | 3,178 | 19,067
Balance at end of period |  | $ 184,109 |  | $ 170,618 |  | $ 184,109 | $ 170,618
[1] | (a) These expenses are included in selling, general and administrative expenses and are largely offset by contributions from subcontractors participating in the wrap-up policy.
[2] | (b) Includes net changes in estimated probable insurance and other recoveries, which are recorded in receivables, to present our self-insurance liability on a gross basis.

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- Definition Movement In Self Insurance Reserve [Roll Forward] + References No definition available. + Details
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- Definition Amount of increase (decrease) in the standard and extended product warranty accrual from changes in estimates attributable to preexisting 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)(4)) -URI http://asc.fasb.org/extlink&oid=68068213&loc=d3e12565-110249 + 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=68068213&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=68068213&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=68068213&loc=d3e12565-110249 + Details
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