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v3.19.1

Property, Plant and Equipment - Components of Property, Plant and Equipment (Detail) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Mar. 31, 2019 | Mar. 31, 2018 | Mar. 31, 2017 | Apr. 03, 2018
Movement in Property, Plant and Equipment [Roll Forward] |  |  |  |
Cost, Beginning balance | $ 1,830.0 | $ 1,646.3 |  |
Additions | 340.8 | 217.8 |  |
Property, plant and equipment |  |  |  | $ 230.3
Transfers | (10.3) |  |  |
Disposals | (55.4) | (34.9) |  |
Exchange differences | (54.0) | 0.8 |  |
Cost, Ending balance | 2,281.4 | 1,830.0 | $ 1,646.3 |
Movement in Accumulated Depreciation, Depletion and Amortization, Property, Plant and Equipment [Roll Forward] |  |  |  |
Accumulated depreciation, Beginning balance | (837.9) | (767.3) |  |
Charge for the year | (109.6) | (88.9) | (80.3) |
Transfers | 4.5 |  |  |
Disposals | 27.4 | 18.5 |  |
Exchange differences | 22.6 | (0.2) |  |
Accumulated depreciation, Ending balance | (893.0) | (837.9) | (767.3) |
Net book amount | 1,388.4 | 992.1 |  |
Land |  |  |  |
Movement in Property, Plant and Equipment [Roll Forward] |  |  |  |
Cost, Beginning balance | 68.2 | 69.5 |  |
Additions | 1.6 | 0.0 |  |
Property, plant and equipment |  |  |  | 19.2
Transfers | 0.0 |  |  |
Disposals | (0.2) | (1.4) |  |
Exchange differences | (5.0) | 0.1 |  |
Cost, Ending balance | 83.8 | 68.2 | 69.5 |
Movement in Accumulated Depreciation, Depletion and Amortization, Property, Plant and Equipment [Roll Forward] |  |  |  |
Accumulated depreciation, Beginning balance | 0.0 | 0.0 |  |
Charge for the year | 0.0 | 0.0 |  |
Transfers | 0.0 |  |  |
Disposals | 0.0 | 0.0 |  |
Exchange differences | 0.0 | 0.0 |  |
Accumulated depreciation, Ending balance | 0.0 | 0.0 | 0.0 |
Net book amount | 83.8 | 68.2 |  |
Buildings |  |  |  |
Movement in Property, Plant and Equipment [Roll Forward] |  |  |  |
Cost, Beginning balance | 346.8 | 344.5 |  |
Additions | 58.9 | 7.9 |  |
Property, plant and equipment |  |  |  | 44.1
Transfers | (6.0) |  |  |
Disposals | (5.9) | (5.6) |  |
Exchange differences | (5.1) | 0.0 |  |
Cost, Ending balance | 432.8 | 346.8 | 344.5 |
Movement in Accumulated Depreciation, Depletion and Amortization, Property, Plant and Equipment [Roll Forward] |  |  |  |
Accumulated depreciation, Beginning balance | (137.4) | (128.0) |  |
Charge for the year | (14.6) | (11.3) |  |
Transfers | 0.8 |  |  |
Disposals | 4.1 | 1.9 |  |
Exchange differences | 3.2 | 0.0 |  |
Accumulated depreciation, Ending balance | (143.9) | (137.4) | (128.0) |
Net book amount | 288.9 | 209.4 |  |
Machinery and Equipment |  |  |  |
Movement in Property, Plant and Equipment [Roll Forward] |  |  |  |
Cost, Beginning balance | 1,236.1 | 1,175.7 |  |
Additions | 203.6 | 83.8 |  |
Property, plant and equipment |  |  |  | 159.5
Transfers | 2.2 |  |  |
Disposals | (48.1) | (24.3) |  |
Exchange differences | (45.7) | 0.9 |  |
Cost, Ending balance | 1,507.6 | 1,236.1 | 1,175.7 |
Movement in Accumulated Depreciation, Depletion and Amortization, Property, Plant and Equipment [Roll Forward] |  |  |  |
Accumulated depreciation, Beginning balance | (700.5) | (639.3) |  |
Charge for the year | (95.0) | (77.6) |  |
Transfers | 3.7 |  |  |
Disposals | 23.3 | 16.6 |  |
Exchange differences | 19.4 | (0.2) |  |
Accumulated depreciation, Ending balance | (749.1) | (700.5) | (639.3) |
Net book amount | 758.5 | 535.6 |  |
Construction in Progress |  |  |  |
Movement in Property, Plant and Equipment [Roll Forward] |  |  |  |
Cost, Beginning balance | 178.9 | 56.6 |  |
Additions | 76.7 | 126.1 |  |
Property, plant and equipment |  |  |  | $ 7.5
Transfers | (6.5) |  |  |
Disposals | (1.2) | (3.6) |  |
Exchange differences | 1.8 | (0.2) |  |
Cost, Ending balance | 257.2 | 178.9 | 56.6 |
Movement in Accumulated Depreciation, Depletion and Amortization, Property, Plant and Equipment [Roll Forward] |  |  |  |
Accumulated depreciation, Beginning balance | 0.0 | 0.0 |  |
Charge for the year | 0.0 | 0.0 |  |
Transfers | 0.0 |  |  |
Disposals | 0.0 | 0.0 |  |
Exchange differences | 0.0 | 0.0 |  |
Accumulated depreciation, Ending balance | 0.0 | 0.0 | $ 0.0 |
Net book amount | $ 257.2 | $ 178.9 |  |

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