| Concept |
As at 2020-03-31 |
As at 2020-03-31 |
As at 2019-03-31 |
As at 2019-03-31 |
As at 2018-03-31 |
As at 2018-03-31 |
As at 2017-03-31 |
As at 2017-03-31 |
As at 2016-03-31 |
As at 2016-03-31 |
|---|---|---|---|---|---|---|---|---|---|---|
| Employees | ||||||||||
| Information about reporting company | ||||||||||
| Number of employees of reporting company | ||||||||||
| Number of employees |
436
xbrli:pure
|
664
xbrli:pure
|
668
xbrli:pure
|
438
xbrli:pure
|
430
xbrli:pure
|
660
xbrli:pure
|
420
xbrli:pure
|
668
xbrli:pure
|
655
xbrli:pure
|
407
xbrli:pure
|
| Average number of temporary employees |
17
xbrli:pure
|
22
xbrli:pure
|
24
xbrli:pure
|
22
xbrli:pure
|
31
xbrli:pure
|
31
xbrli:pure
|
34
xbrli:pure
|
34
xbrli:pure
|
30
xbrli:pure
|
28
xbrli:pure
|