Goodwill and Intangible Assets - Schedule of Changes in Carrying Amount of Goodwill (Detail) $ in Thousands |
3 Months Ended |
|---|---|
|
May 31, 2016
USD ($)
| |
| Goodwill [Roll Forward] | |
| Balance at beginning of period | $ 69,595 |
| Goodwill acquired | 409 |
| Effect of foreign exchange rates | 156 |
| Balance at end of period | $ 70,160 |