| Concept |
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 |
As at 2015-03-31 |
As at 2015-03-31 |
As at 2014-03-31 |
As at 2014-03-31 |
|---|---|---|---|---|---|---|---|---|---|---|
| Employees | ||||||||||
| Information about group | ||||||||||
| Number of employees of group | ||||||||||
| Number of employees |
813
xbrli:pure
|
535
xbrli:pure
|
499
xbrli:pure
|
812
xbrli:pure
|
469
xbrli:pure
|
532
xbrli:pure
|
488
xbrli:pure
|
433
xbrli:pure
|
425
xbrli:pure
|
xbrli:pure
|
| Average number of temporary employees |
67
xbrli:pure
|
60
xbrli:pure
|
59
xbrli:pure
|
66
xbrli:pure
|
63
xbrli:pure
|
72
xbrli:pure
|
71
xbrli:pure
|
63
xbrli:pure
|
68
xbrli:pure
|
xbrli:pure
|