Employees
| Concept |
As at 2018-04-30 |
As at 2017-04-30 |
As at 2016-04-30 |
As at 2015-04-30 |
As at 2014-04-30 |
|---|---|---|---|---|---|
| Employees | |||||
| Information about reporting company | |||||
| Information about employees of reporting company | |||||
| Number of employees |
624
xbrli:pure
|
618
xbrli:pure
|
598
xbrli:pure
|
530
xbrli:pure
|
493
xbrli:pure
|