| Concept |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2017-12-31 |
As at 2017-12-31 |
As at 2016-12-31 |
As at 2016-12-31 |
As at 2015-12-31 |
As at 2015-12-31 |
As at 2014-12-31 |
As at 2014-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|
| Employees | ||||||||||
| Information about reporting company | ||||||||||
| Number of employees of reporting company | ||||||||||
| Number of employees |
xbrli:pure
|
17,100
xbrli:pure
|
729
xbrli:pure
|
17,197
xbrli:pure
|
1,635
xbrli:pure
|
8,616
xbrli:pure
|
1,620
xbrli:pure
|
8,837
xbrli:pure
|
1,756
xbrli:pure
|
8,324
xbrli:pure
|
| Average number of temporary employees |
xbrli:pure
|
3,957
xbrli:pure
|
41
xbrli:pure
|
4,403
xbrli:pure
|
119
xbrli:pure
|
2,499
xbrli:pure
|
120
xbrli:pure
|
2,613
xbrli:pure
|
148
xbrli:pure
|
1,949
xbrli:pure
|