Revenue from Contracts with Customers - Contract Assets and Contract Liabilities (Details) - USD ($) $ in Thousands |
May 31, 2020 |
Aug. 31, 2019 |
|---|---|---|
| Contract Assets | ||
| Contract assets | $ 264 | $ 147 |
| Contract liabilities | 0 | 0 |
| Adhesives, Sealants and Additives | ||
| Contract Assets | ||
| Contract assets | 35 | 42 |
| Industrial Tapes | ||
| Contract Assets | ||
| Contract assets | 46 | 26 |
| Corrosion Protection and Waterproofing | ||
| Contract Assets | ||
| Contract assets | $ 183 | $ 79 |