| 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 reporting company | ||||||||||
| Number of employees of reporting company | ||||||||||
| Number of employees |
3,943
xbrli:pure
|
1,428
xbrli:pure
|
1,469
xbrli:pure
|
3,888
xbrli:pure
|
3,698
xbrli:pure
|
1,461
xbrli:pure
|
3,722
xbrli:pure
|
1,445
xbrli:pure
|
3,628
xbrli:pure
|
1,440
xbrli:pure
|