Fair Value Measurements (Narrative) (Details) |
Aug. 31, 2018 |
|---|---|
| Maximum [Member] | |
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |
| Short-term investments maturity at acquisition | 90 days |
| X | ||||||||||
- Definition Other investments Maturity Period No definition available.
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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 | ||||||||||
- Details
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