Accrued Liabilities - Narrative (Details) |
Aug. 31, 2017 |
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| Payables and Accruals [Abstract] | |
| Maximum percentage of total current liabilities included in accrued expenses | 5.00% |
| Maximum percentage of long-term liabilities included in accrued expenses | 5.00% |
| X | ||||||||||
- Definition Maximum percentage of current liabilities at which all other liabilities individually did not exceed. No definition available.
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| X | ||||||||||
- Definition Maximum Percent of Long-term Liabilities No definition available.
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| X | ||||||||||
- References No definition available.
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