Segment reporting - Summary of Segment Reporting Information, by Segment (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
Mar. 31, 2024 |
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| Segment Reporting Information [Line Items] | |||
| Revenue | $ 3,559,390 | $ 2,959,197 | $ 2,499,841 |
| Selling, general and administrative expenses | 341,920 | 290,321 | 183,571 |
| Research and development | 120,909 | 79,392 | 42,360 |
| Interest expense | 2,623 | 13,096 | 13,820 |
| Other income, net | (19,183) | (22,000) | (34,699) |
| Provision for income taxes | 127,943 | 130,770 | 111,782 |
| Net income | 585,883 | 517,246 | 496,215 |
| Reportable Segment | |||
| Segment Reporting Information [Line Items] | |||
| Revenue | 3,559,390 | 2,959,197 | 2,499,841 |
| Material cost | 2,226,920 | 1,799,343 | 1,498,699 |
| 45X vendor credits | (379,874) | (224,879) | (121,405) |
| Tariffs | 130,406 | 19,729 | 16,775 |
| Freight, labor and other cost of sales | 421,843 | 356,179 | 292,723 |
| Selling, general and administrative expenses | 341,920 | 290,321 | 183,571 |
| Research and development | 120,909 | 79,392 | 42,360 |
| Interest expense | 2,623 | 13,096 | 13,820 |
| Other income, net | (19,183) | (22,000) | (34,699) |
| Provision for income taxes | 127,943 | 130,770 | 111,782 |
| Net income | $ 585,883 | $ 517,246 | $ 496,215 |
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- Definition Freight, Labor and Other Cost of Sales No definition available.
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- Definition Tariffs No definition available.
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- Definition Vendor credits No definition available.
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- Definition Cost of material used for good produced and service rendered. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of interest income (expense) classified as nonoperating. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of income (expense) related to nonoperating activities, classified as other. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of expense for research and development. Includes, but is not limited to, cost for computer software product to be sold, leased, or otherwise marketed and writeoff of research and development assets acquired in transaction other than business combination or joint venture formation or both. Excludes write-down of intangible asset acquired in business combination or from joint venture formation or both, used in research and development activity. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). Reference 1: http://www.xbrl.org/2003/role/exampleRef
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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. No definition available.
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- Definition The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Details
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