Derivatives Narrative (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|
May 31, 2018 |
May 31, 2017 |
May 31, 2018 |
May 31, 2017 |
Aug. 31, 2017 |
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| Derivative [Line Items] | |||||
| Foreign Currency Contracts, Asset (Liability), Fair Value Disclosure | $ (200) | $ (200) | $ (200) | ||
| Gain (Loss) on Foreign Currency Fair Value Hedge Derivatives and Not Designated as Hedging Instruments at Fair Value | 524 | $ (484) | 664 | $ (2,450) | |
| Fair Value Hedging [Member] | |||||
| Derivative [Line Items] | |||||
| Derivative, Notional Amount | $ 24,400 | $ 24,400 | $ 22,000 | ||
| X | ||||||||||
- Definition Gain (Loss) on Foreign Currency Fair Value Hedge Derivatives and Not Designated as Hedging Instruments at Fair Value No definition available.
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| X | ||||||||||
- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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| X | ||||||||||
- Definition Fair value portion of liability contracts related to the exchange of different currencies, including, but not limited to, foreign currency options, forward (delivery or nondelivery) contracts, and swaps entered into. No definition available.
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| X | ||||||||||
- Details
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