Segment Information and Geographic Data - Schedule of Significant Expenses Provided to CODM for Reportable Segment (Details) - USD ($) |
12 Months Ended | |||||||
|---|---|---|---|---|---|---|---|---|
May 31, 2026 |
May 31, 2025 |
May 31, 2024 |
||||||
| Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] | ||||||||
| Net sales | $ 3,443,800,000 | $ 3,093,300,000 | $ 3,430,600,000 | |||||
| Cost of goods sold: | ||||||||
| Material cost | 2,331,100,000 | 2,082,000,000 | 2,366,900,000 | |||||
| Direct labor, manufacturing expenses, and other | [1] | 709,400,000 | 622,700,000 | 623,900,000 | ||||
| Total cost of goods sold | 3,040,500,000 | 2,704,700,000 | 2,990,800,000 | |||||
| Gross margin | 403,300,000 | 388,600,000 | 439,800,000 | |||||
| Selling, general and administrative expense | 297,400,000 | 231,600,000 | 224,400,000 | |||||
| Impairment of goodwill | 53,800,000 | [2] | 0 | 0 | ||||
| Impairment of long-lived assets and other assets | 60,500,000 | 7,400,000 | 1,400,000 | |||||
| Restructuring and other (income) expense, net | (7,000,000) | 2,600,000 | 0 | |||||
| Separation costs | 0 | 0 | 19,500,000 | |||||
| Operating income (loss) | (1,400,000) | 147,000,000 | 194,500,000 | |||||
| Other income (expense): | ||||||||
| Miscellaneous income, net | 16,600,000 | 3,800,000 | 5,300,000 | |||||
| Interest expense, net | (28,400,000) | (7,100,000) | (6,000,000) | |||||
| Equity in net income of unconsolidated affiliate | 20,300,000 | 4,400,000 | 22,400,000 | |||||
| Earnings before income taxes | 7,100,000 | 148,100,000 | 216,200,000 | |||||
| Income tax expense | 20,000,000 | 28,800,000 | 46,100,000 | |||||
| Net earnings (loss) | (12,900,000) | 119,300,000 | 170,100,000 | |||||
| Net earnings (loss) attributable to noncontrolling interests | (21,400,000) | 8,600,000 | 15,400,000 | |||||
| Net earnings attributable to controlling interest | $ 8,500,000 | $ 110,700,000 | $ 154,700,000 | |||||
| ||||||||
| X | ||||||||||
- Definition Cost of material used for good produced and service rendered. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition The aggregate cost of goods produced and sold and services rendered during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of impairment loss from asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Amount of income (loss) for proportionate share of equity method investee's income (loss). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- 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
|
| X | ||||||||||
- Definition Amount of interest expense classified as nonoperating. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Amount of Net Income (Loss) attributable to noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The net result for the period of deducting operating expenses from operating revenues. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Amount of income (expense) related to nonoperating activities, classified as other. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- 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
|
| X | ||||||||||
- 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
|
| X | ||||||||||
- 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.
|
| X | ||||||||||
- 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
|
| X | ||||||||||
- Definition Direct Labor Manufacturing Expenses And Other No definition available.
|
| X | ||||||||||
- Definition Impairment of long lived assets and other assets. No definition available.
|
| X | ||||||||||
- Definition Amount of net expenses (income) associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. No definition available.
|
| X | ||||||||||
- Definition Separation costs. No definition available.
|