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v3.20.1

Property, Plant and Equipment - Components of Property, Plant and Equipment (Detail) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Mar. 31, 2020 | Mar. 31, 2019 | Mar. 31, 2018 | Apr. 03, 2018
Movement in Property, Plant and Equipment [Roll Forward] |  |  |  |
Cost, Beginning balance | $ 2,281.4 | $ 1,830.0 |  |
Additions | 185.8 | 340.8 |  |
Property, plant and equipment |  |  |  | $ 230.3
Transfers | (1.1) | (10.3) |  |
Disposals | (56.8) | (55.4) |  |
Impairment | (15.7) |  |  |
Exchange differences | (103.1) | (54.0) |  |
Cost, Ending balance | 2,290.5 | 2,281.4 | $ 1,830.0 |
Movement in Accumulated Depreciation, Depletion and Amortization, Property, Plant and Equipment [Roll Forward] |  |  |  |
Accumulated depreciation, Beginning balance | (893.0) | (837.9) |  |
Depreciation | (125.4) | (109.6) | (88.9) |
Transfers | 0.3 | 4.5 |  |
Disposals | 41.8 | 27.4 |  |
Impairment | (48.8) |  |  |
Exchange differences | 76.3 | 22.6 |  |
Accumulated depreciation, Ending balance | (948.8) | (893.0) | (837.9) |
Net book amount | 1,341.7 | 1,388.4 |  |
Land |  |  |  |
Movement in Property, Plant and Equipment [Roll Forward] |  |  |  |
Cost, Beginning balance | 83.8 | 68.2 |  |
Additions | 0.3 | 1.6 |  |
Property, plant and equipment |  |  |  | 19.2
Transfers | 0.0 | 0.0 |  |
Disposals | 0.0 | (0.2) |  |
Impairment | 0.0 |  |  |
Exchange differences | (5.1) | (5.0) |  |
Cost, Ending balance | 79.0 | 83.8 | 68.2 |
Movement in Accumulated Depreciation, Depletion and Amortization, Property, Plant and Equipment [Roll Forward] |  |  |  |
Accumulated depreciation, Beginning balance | 0.0 | 0.0 |  |
Depreciation | 0.0 | 0.0 |  |
Transfers | 0.0 | 0.0 |  |
Disposals | 0.0 | 0.0 |  |
Impairment | 0.0 |  |  |
Exchange differences | 0.0 | 0.0 |  |
Accumulated depreciation, Ending balance | 0.0 | 0.0 | 0.0 |
Net book amount | 79.0 | 83.8 |  |
Buildings |  |  |  |
Movement in Property, Plant and Equipment [Roll Forward] |  |  |  |
Cost, Beginning balance | 432.8 | 346.8 |  |
Additions | 13.9 | 58.9 |  |
Property, plant and equipment |  |  |  | 44.1
Transfers | 0.7 | (6.0) |  |
Disposals | (1.7) | (5.9) |  |
Impairment | (0.1) |  |  |
Exchange differences | (13.1) | (5.1) |  |
Cost, Ending balance | 432.5 | 432.8 | 346.8 |
Movement in Accumulated Depreciation, Depletion and Amortization, Property, Plant and Equipment [Roll Forward] |  |  |  |
Accumulated depreciation, Beginning balance | (143.9) | (137.4) |  |
Depreciation | (15.7) | (14.6) |  |
Transfers | 0.0 | 0.8 |  |
Disposals | 1.5 | 4.1 |  |
Impairment | (0.6) |  |  |
Exchange differences | 6.4 | 3.2 |  |
Accumulated depreciation, Ending balance | (152.3) | (143.9) | (137.4) |
Net book amount | 280.2 | 288.9 |  |
Machinery and Equipment |  |  |  |
Movement in Property, Plant and Equipment [Roll Forward] |  |  |  |
Cost, Beginning balance | 1,507.6 | 1,236.1 |  |
Additions | 152.3 | 203.6 |  |
Property, plant and equipment |  |  |  | 159.5
Transfers | 3.1 | 2.2 |  |
Disposals | (55.3) | (48.1) |  |
Impairment | (10.2) |  |  |
Exchange differences | (86.1) | (45.7) |  |
Cost, Ending balance | 1,511.4 | 1,507.6 | 1,236.1 |
Movement in Accumulated Depreciation, Depletion and Amortization, Property, Plant and Equipment [Roll Forward] |  |  |  |
Accumulated depreciation, Beginning balance | (749.1) | (700.5) |  |
Depreciation | (109.7) | (95.0) |  |
Transfers | 0.3 | 3.7 |  |
Disposals | 40.3 | 23.3 |  |
Impairment | (48.2) |  |  |
Exchange differences | 69.9 | 19.4 |  |
Accumulated depreciation, Ending balance | (796.5) | (749.1) | (700.5) |
Net book amount | 714.9 | 758.5 |  |
Construction in Progress |  |  |  |
Movement in Property, Plant and Equipment [Roll Forward] |  |  |  |
Cost, Beginning balance | 257.2 | 178.9 |  |
Additions | 19.3 | 76.7 |  |
Property, plant and equipment |  |  |  | $ 7.5
Transfers | (4.9) | (6.5) |  |
Disposals | 0.2 | (1.2) |  |
Impairment | (5.4) |  |  |
Exchange differences | 1.2 | 1.8 |  |
Cost, Ending balance | 267.6 | 257.2 | 178.9 |
Movement in Accumulated Depreciation, Depletion and Amortization, Property, Plant and Equipment [Roll Forward] |  |  |  |
Accumulated depreciation, Beginning balance | 0.0 | 0.0 |  |
Depreciation | 0.0 | 0.0 |  |
Transfers | 0.0 | 0.0 |  |
Disposals | 0.0 | 0.0 |  |
Impairment | 0.0 |  |  |
Exchange differences | 0.0 | 0.0 |  |
Accumulated depreciation, Ending balance | 0.0 | 0.0 | $ 0.0 |
Net book amount | $ 267.6 | $ 257.2 |  |

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