Plant and Equipment - Schedule of property and equipment (Details) - USD ($) $ in Thousands |
Sep. 30, 2026 |
Mar. 31, 2026 |
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| Property, Plant and Equipment [Line Items] | ||
| Total | $ 894,512 | $ 856,973 |
| Accumulated depreciation and impairment | (503,863) | (376,497) |
| Net carrying value | 390,649 | 480,476 |
| Equipment [Member] | ||
| Property, Plant and Equipment [Line Items] | ||
| Total | 648,225 | 652,672 |
| Land [Member] | ||
| Property, Plant and Equipment [Line Items] | ||
| Total | 72,476 | 47,065 |
| Building [Member] | ||
| Property, Plant and Equipment [Line Items] | ||
| Total | $ 173,811 | $ 157,236 |
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- Definition Amount of accumulated depreciation, depletion, and amortization of property, plant, and equipment. Includes, but is not limited to, land and land improvement; building; machinery and equipment; furniture and fixture; and work of art, historical treasure, or similar asset classified as collection. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, before accumulated depreciation, depletion, and amortization, of property, plant, and equipment. Includes, but is not limited to, land and land improvement; building; machinery and equipment; furniture and fixture; and work of art, historical treasure, or similar asset classified as collection. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, after accumulated depreciation, depletion, and amortization, of property, plant, and equipment. Includes, but is not limited to, land and land improvement; building; machinery and equipment; furniture and fixture; and work of art, historical treasure, or similar asset classified as collection. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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