Employees
| Concept |
As at 2017-12-31 |
As at 2016-12-31 |
As at 2015-12-31 |
As at 2014-12-31 |
As at 2013-12-31 |
|---|---|---|---|---|---|
| Employees | |||||
| Information about reporting company | |||||
| Number of employees of reporting company | |||||
| Number of employees |
2,359
xbrli:pure
|
2,309
xbrli:pure
|
2,223
xbrli:pure
|
2,124
xbrli:pure
|
1,998
xbrli:pure
|