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OTHER GAINS - NET (Tables) | 12 Months Ended
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Mar. 31, 2018
Analysis of income and expense [abstract] |
Schedule of other gains |
| 2018 |  |  | 2017 |
Disposal of property, plant and equipment | $ | 9.7 |  |  | $ | 7.7 |
Net foreign exchange gains | 2.5 |  |  | 0.1 |
Net loss on litigation | — |  |  | (1.1 | )
Disposal of interest in investment | 14.3 |  |  | — |
Remeasurement of investment, net of reorganization and others costs | 12.2 |  |  | — |
Other | (1.3 | ) |  | 6.0 |
Other gains – net | $ | 37.4 |  |  | $ | 12.7 |

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