Property, Plant and Equipment - Components of Property, Plant and Equipment (Details) - USD ($) $ in Millions |
Jun. 30, 2026 |
Mar. 31, 2026 |
|---|---|---|
| Property, Plant, and Equipment [Line Items] | ||
| Property, plant and equipment, at cost | $ 4,935.3 | $ 4,875.3 |
| Less accumulated depreciation | (1,883.9) | (1,790.7) |
| Property, plant and equipment, net | 3,051.4 | 3,084.6 |
| Land | ||
| Property, Plant, and Equipment [Line Items] | ||
| Property, plant and equipment, at cost | 122.8 | 121.7 |
| Buildings | ||
| Property, Plant, and Equipment [Line Items] | ||
| Property, plant and equipment, at cost | 1,040.4 | 995.2 |
| Machinery and equipment | ||
| Property, Plant, and Equipment [Line Items] | ||
| Property, plant and equipment, at cost | 3,395.8 | 3,203.3 |
| Construction in progress | ||
| Property, Plant, and Equipment [Line Items] | ||
| Property, plant and equipment, at cost | $ 376.3 | $ 555.1 |
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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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