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Fair Value Disclosures (Assets Measured at Fair Value on Nonrecurring Basis) (Details) (Fair Value, Measurements, Nonrecurring [Member], USD $) In Thousands, unless otherwise specified | Aug. 31, 2014 | Nov. 30, 2013
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Assets measured at fair value on a nonrecurring basis |  |  |  |
Assets, Fair Value Disclosure | $ 6,421 |  | $ 1,143 |
Level 2 |  |  |  |
Assets measured at fair value on a nonrecurring basis |  |  |  |
Assets, Fair Value Disclosure | 6,421 | [1] | 0 | [1]
Level 3 |  |  |  |
Assets measured at fair value on a nonrecurring basis |  |  |  |
Assets, Fair Value Disclosure | $ 0 | [1] | $ 1,143 | [1]
[1] | Amounts represent the aggregate fair value for communities or land parcels where we recognized inventory impairment charges during the period, as of the date that the fair value measurements were made. The carrying value for these communities or land parcels 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=25499696&loc=d3e19207-110258 + Details
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Period Type: | instant

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- Details
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