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Fair Value Disclosures (Fair Value Hierarchy, Carrying Values, and Estimated Fair Values of Financial Instruments) (Details) - Level 2 - Senior Notes [Member] - USD ($) $ in Thousands | Aug. 31, 2020 | Nov. 30, 2019
--- | --- | ---
Carrying Value [Member] |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Senior notes | [1] | $ 1,742,084 | $ 1,740,858
Estimate of Fair Value [Member] |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Senior notes |  | $ 1,912,750 | $ 1,921,563
[1] | The carrying values for the senior notes include unamortized debt issuance costs. Debt issuance costs are not factored into the estimated fair values of these notes.

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- Definition Fair value portion of notes payable. + 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 210.5-02.19,20,22) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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