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Fair Value Measurements (Schedule of Financial Assets and Liabilities Measured at Fair Value) (Details) - USD ($) $ in Thousands | Feb. 28, 2023 | Aug. 31, 2022 | Feb. 28, 2022
--- | --- | --- | ---
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Cash and cash equivalents | $ 97,675 | $ 105,048 | $ 68,951
Marketable securities: |  |  |
Derivative assets | 3,520 | 5,505 |
Corporate Bonds [Member] |  |  |
Marketable securities: |  |  |
Marketable securities | 6,976 | 9,668 | 20,322
U.S. Treasury Securities [Member] |  |  |
Marketable securities: |  |  |
Marketable securities | 1,787 | 1,792 | 4,612
Level 1 [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Cash and cash equivalents | 97,675 | 105,048 | 68,951
Marketable securities: |  |  |
Derivative assets | 0 | 0 |
Level 1 [Member] | Corporate Bonds [Member] |  |  |
Marketable securities: |  |  |
Marketable securities | 0 | 0 | 0
Level 1 [Member] | U.S. Treasury Securities [Member] |  |  |
Marketable securities: |  |  |
Marketable securities | 0 | 0 | 0
Level 2 [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Cash and cash equivalents | 0 | 0 | 0
Marketable securities: |  |  |
Derivative assets | 3,520 | 5,505 |
Level 2 [Member] | Corporate Bonds [Member] |  |  |
Marketable securities: |  |  |
Marketable securities | 6,976 | 9,668 | 20,322
Level 2 [Member] | U.S. Treasury Securities [Member] |  |  |
Marketable securities: |  |  |
Marketable securities | 1,787 | 1,792 | 4,612
Level 3 [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Cash and cash equivalents | 0 | 0 | 0
Marketable securities: |  |  |
Derivative assets | 0 | 0 |
Level 3 [Member] | Corporate Bonds [Member] |  |  |
Marketable securities: |  |  |
Marketable securities | 0 | 0 | 0
Level 3 [Member] | U.S. Treasury Securities [Member] |  |  |
Marketable securities: |  |  |
Marketable securities | $ 0 | $ 0 | $ 0

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- Definition Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References No definition available. + Details
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- Definition Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 22 -URI https://asc.fasb.org/extlink&oid=99393222&loc=SL20226052-175313 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 7 -URI https://asc.fasb.org/extlink&oid=99393222&loc=SL20226000-175313 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 20 -Section 50 -Paragraph 4D -Subparagraph (c)(2) -URI https://asc.fasb.org/extlink&oid=121570589&loc=SL51823488-111719 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (a),(c) -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5624163-113959 + Details
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