Basic and diluted (loss) earnings per share - Anti-dilutive securities (Details) - shares |
3 Months Ended | |
|---|---|---|
Jun. 30, 2020 |
Jun. 30, 2019 |
|
| Computation of our diluted (loss) earnings per share | ||
| Anti-dilutive instruments | 27.9 | 27.4 |
| Share-based compensation. | ||
| Computation of our diluted (loss) earnings per share | ||
| Anti-dilutive instruments | 0.5 | |
| Convertible Debentures | ||
| Computation of our diluted (loss) earnings per share | ||
| Anti-dilutive instruments | 27.4 | 27.4 |