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Leases (Supplemental Balance Sheet Information Related to Operating Leases) (Details) - USD ($) $ in Thousands | Aug. 31, 2021 | Aug. 31, 2020
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Leases [Abstract] |  |
Operating lease ROU assets | $ 18,281 | $ 27,457
Operating lease short-term liabilities | $ 3,991 | $ 5,123
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] | Other current liabilities | Other current liabilities
Operating lease long-term liabilities | $ 18,301 | $ 25,862
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] | Operating lease long-term liabilities | Operating lease long-term liabilities
Total lease liabilities | $ 22,292 | $ 30,985

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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=123391704&loc=SL77918627-209977 + Details
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