Segment Data & Foreign Operations (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|
May 31, 2016 |
May 31, 2015 |
May 31, 2016 |
May 31, 2015 |
Aug. 31, 2015 |
|
| Concentration risk | |||||
| Long-lived assets | $ 37,028 | $ 37,028 | $ 40,921 | ||
| United Kingdom | |||||
| Concentration risk | |||||
| Goodwill and intangible assets | $ 7,215 | $ 7,215 | 8,266 | ||
| Revenue | Geographic concentration risk | United Kingdom | |||||
| Concentration risk | |||||
| Percentage of concentration risk | 12.00% | 15.00% | 10.00% | 13.00% | |
| Long-lived assets | Geographic concentration risk | United Kingdom | |||||
| Concentration risk | |||||
| Long-lived assets | $ 3,593 | $ 3,593 | $ 3,947 | ||