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v3.23.1

Accumulated Other Comprehensive Loss (Tables) | 12 Months Ended
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Mar. 31, 2023
Equity [Abstract] |
Accumulated Other Comprehensive Loss | Accumulated other comprehensive loss is comprised of the following at 31 March 2023:
(Millions of US dollars) |  | Cash Flow Hedges |  | Pension Actuarial (Loss) Gain |  | Foreign Currency Translation Adjustments |  | Total
Balance at 31 March 2022 |  | $ | 0.2 |  |  | $ | (0.3) |  |  | $ | (21.9) |  |  | $ | (22.0) |
Other comprehensive gain (loss) |  | — |  |  | 2.1 |  |  | (33.4) |  |  | (31.3) |
Balance at 31 March 2023 |  | $ | 0.2 |  |  | $ | 1.8 |  |  | $ | (55.3) |  |  | $ | (53.3) |

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