Shareholders' Equity - Changes in Shareholders' Equity (Parenthetical) (Detail) - USD ($) $ / shares in Units, $ in Thousands |
3 Months Ended | |
|---|---|---|
May 31, 2016 |
May 31, 2015 |
|
| Statement of Stockholders' Equity [Abstract] | ||
| Deferred Tax on foreign currency Translation | $ 6,087 | |
| Dividends paid, per share amount | $ 0.175 | $ 0.175 |