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Fair Value Disclosures (Assets Measured at Fair Value on Nonrecurring Basis) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Aug. 31, 2020 | Aug. 31, 2019 | Aug. 31, 2020 | Aug. 31, 2019 | Nov. 30, 2019
Assets measured at fair value on a nonrecurring basis |  |  |  |  |  |
Inventory Impairment Charges |  | $ (6,500) | $ (4,800) | $ (11,600) | $ (11,500) |
Fair Value, Nonrecurring [Member] | Level 3 |  |  |  |  |  |
Assets measured at fair value on a nonrecurring basis |  |  |  |  |  |
Pre-Impairment Value |  | 28,598 |  | 28,598 |  | $ 41,160
Inventory Impairment Charges |  |  |  | (11,589) |  | (14,031)
Fair Value | [1] | $ 17,009 |  | $ 17,009 |  | $ 27,129
[1] | Amounts represent the aggregate fair value for real estate assets impacted by inventory impairment charges during the applicable period as of the date that the fair value measurements were made. The carrying value for these real estate assets may have subsequently increased or decreased from the fair value reflected due to activity that has occurred since the measurement date.

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- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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- Definition The charge against earnings in the period to reduce the carrying amount of real property to fair value. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109226691&loc=d3e2921-110230 + Details
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