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Leases (Tables) | 12 Months Ended
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Mar. 31, 2022
Leases [Abstract] |
Schedule of ROU Assets and Lease Liabilities | The following table represents the Company's ROU assets and lease liabilities:
| 31 March
(Millions of US dollars) | 2022 |  | 2021
Assets: |  |  |
Operating leases, net | $ | 57.8 |  |  | $ | 46.4 |
Finance leases, net | 2.3 |  |  | 2.7 |
Total right-of-use assets | $ | 60.1 |  |  | $ | 49.1 |
Liabilities: |  |  |
Operating leases: |  |  |
Current | $ | 12.5 |  |  | $ | 7.8 |
Non-Current | 63.1 |  |  | 53.3 |
Total operating lease liabilities | $ | 75.6 |  |  | $ | 61.1 |
Finance leases: |  |  |
Current | $ | 1.1 |  |  | $ | 1.0 |
Non-Current | 1.5 |  |  | 1.9 |
Total finance lease liabilities | $ | 2.6 |  |  | $ | 2.9 |
Total lease liabilities | $ | 78.2 |  |  | $ | 64.0 |
Schedule of Lease Expense | The following table represents the Company's lease expense:
| Years Ended 31 March |
(Millions of US dollars) | 2022 |  | 2021 |  | 2020 |
Operating leases | $ | 21.6 |  |  | $ | 17.0 |  |  | $ | 18.4 |  |
Short-term leases | 1.7 |  |  | 2.1 |  |  | 1.0 |  |
Variable leases | — |  |  | — |  |  | 0.1 |  |
Finance leases | 1.0 |  |  | 0.9 |  |  | 0.3 |  |
Interest on lease liabilities | 0.1 |  |  | 0.1 |  |  | 0.1 |  |
Total lease expense | $ | 24.4 |  |  | $ | 20.1 |  |  | $ | 19.9 |  |
Supplemental cash flow and other information related to leases were as follows:
| Years Ended 31 March
(Millions of US dollars) | 2022 |  | 2021
Cash paid for amounts included in the measurement of lease liabilities: |  |  |
Operating cash flows used for operating leases | $ | 23.8 |  |  | $ | 19.2 |
Operating cash flows used for finance leases | 0.1 |  |  | 0.1 |
Financing cash flows used for finance leases | 1.0 |  |  | 0.8 |
Non-cash ROU assets obtained in exchange for new lease liabilities | 31.8 |  |  | 26.0 |
Non-cash remeasurements reducing ROU assets and lease liabilities | 1.3 |  |  | (5.1) |
Schedule of Weighted-Average Remaining Lease Term and Discount Rate | The weighted-average remaining lease term of the Company's leases is as follows:
| 31 March
(In Years) | 2022 |  | 2021
Operating leases | 8.0 |  | 7.8
Finance leases | 3.2 |  | 3.5
The weighted-average discount rate of the Company's leases is as follows:
| 31 March
| 2022 |  | 2021
Operating leases | 4.3 | % |  | 4.6 | %
Finance leases | 4.1 | % |  | 4.5 | %
Operating Lease, Future Lease Payments | The following are future lease payments for non-cancellable leases at 31 March 2022:
Years ended 31 March (Millions of US dollars): | Operating Leases |  | Finance Leases |  | Total
2023 | $ | 14.6 |  |  | $ | 1.1 |  |  | $ | 15.7 |
2024 | 15.7 |  |  | 0.6 |  |  | 16.3 |
2025 | 11.3 |  |  | 0.5 |  |  | 11.8 |
2026 | 9.5 |  |  | 0.3 |  |  | 9.8 |
2027 | 5.7 |  |  | — |  |  | 5.7 |
Thereafter | 37.4 |  |  | — |  |  | 37.4 |
Total | $ | 94.2 |  |  | $ | 2.5 |  |  | $ | 96.7 |
Less: imputed interest |  |  |  |  | 18.5 |
Total lease liabilities |  |  |  |  | $ | 78.2 |
Finance Lease, Future Lease Payments | The following are future lease payments for non-cancellable leases at 31 March 2022:
Years ended 31 March (Millions of US dollars): | Operating Leases |  | Finance Leases |  | Total
2023 | $ | 14.6 |  |  | $ | 1.1 |  |  | $ | 15.7 |
2024 | 15.7 |  |  | 0.6 |  |  | 16.3 |
2025 | 11.3 |  |  | 0.5 |  |  | 11.8 |
2026 | 9.5 |  |  | 0.3 |  |  | 9.8 |
2027 | 5.7 |  |  | — |  |  | 5.7 |
Thereafter | 37.4 |  |  | — |  |  | 37.4 |
Total | $ | 94.2 |  |  | $ | 2.5 |  |  | $ | 96.7 |
Less: imputed interest |  |  |  |  | 18.5 |
Total lease liabilities |  |  |  |  | $ | 78.2 |

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