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Fair Value Disclosures (Assets Measured at Fair Value on Nonrecurring Basis) (Details) - Fair Value, Measurements, Nonrecurring [Member] - USD ($) $ in Thousands | Aug. 31, 2015 | Nov. 30, 2014
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Level 2 |  |  |
Assets measured at fair value on a nonrecurring basis |  |  |
Assets, Fair Value Disclosure | [1] | $ 0 | $ 6,421
Level 3 |  |  |
Assets measured at fair value on a nonrecurring basis |  |  |
Assets, Fair Value Disclosure | [1] | $ 3,356 | $ 24,174
[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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
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