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Fair Value Disclosures (Details 1) - USD ($) $ in Thousands | Nov. 30, 2017 | Nov. 30, 2016 | Jan. 29, 2013
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Convertible senior notes due February 1, 2019 at 1.375% |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |
Senior notes, rate |  | 1.375% |  |  |  | 1.375%
Carrying Value | Level 2 |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |
Long-term Debt, Fair Value | [1] | $ 2,086,070 |  | $ 2,345,843 |  |
Convertible Debt, Fair Value Disclosures |  | 228,572 | [2] | 227,379 | [1] |
Estimate of Fair Value Measurement [Member] | Level 2 |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |
Long-term Debt, Fair Value |  | 2,292,250 |  | 2,494,844 |  |
Convertible Debt, Fair Value Disclosures |  | $ 278,300 |  | $ 223,675 |  |
[1] | The carrying values for the senior notes and convertible senior notes, as presented, include unamortized debt issuance costs. Debt issuance costs are not factored into the estimated fair values of these notes.
[2] | (a)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 borrowing which can be exchanged for a specified number of another security at the option of the issuer or the holder, for example, but not limited to, the entity's common stock. + References No definition available. + Details
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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