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 group | |||||
| Number of employees of group | |||||
| Number of employees |
468
xbrli:pure
|
467
xbrli:pure
|
460
xbrli:pure
|
459
xbrli:pure
|
463
xbrli:pure
|
| Average number of temporary employees |
194
xbrli:pure
|
207
xbrli:pure
|
201
xbrli:pure
|
211
xbrli:pure
|
227
xbrli:pure
|