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Basis of Presentation (Narrative) (Details) - USD ($) $ in Thousands | Nov. 30, 2019 | Aug. 31, 2019 | Nov. 30, 2018
--- | --- | --- | ---
Basis Of Presentation [Line Items] |  |  |
Right of use asset | $ 25,764 | $ 0 | $ 0
Lease liability | 29,523 |  |
ASU 2016-02 [Member] |  |  |
Basis Of Presentation [Line Items] |  |  |
Right of use asset | 26,200 |  |
Lease liability | $ 29,500 |  |

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- Definition Present value of lessee's discounted obligation for lease payments from operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977 + Details
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