Business Segments - Summarized Financial Information for Joint Venture Unconsolidated (Detail) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
Mar. 31, 2024 |
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| Related Party Transaction [Line Items] | |||
| Revenue | $ 2,308,658 | $ 2,260,508 | $ 2,259,297 |
| Gross Margin | 652,543 | 673,137 | 685,321 |
| Earnings Before Income Taxes | 541,976 | 591,485 | 617,937 |
| Current Assets | 950,889 | 668,657 | |
| Current Liabilities | 260,155 | 245,004 | |
| Joint Venture [Member] | |||
| Related Party Transaction [Line Items] | |||
| Revenue | 119,341 | 110,943 | $ 112,736 |
| Joint Venture [Member] | Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member] | |||
| Related Party Transaction [Line Items] | |||
| Revenue | 238,681 | 221,937 | |
| Gross Margin | 49,679 | 60,789 | |
| Earnings Before Income Taxes | 40,663 | 53,217 | |
| Current Assets | 137,678 | 128,384 | |
| Noncurrent Assets | 237,455 | 207,910 | |
| Current Liabilities | 37,669 | 25,618 | |
| Noncurrent Liabilities | $ 16,431 | $ 30,152 | |
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- Definition Amount of asset recognized for present right to economic benefit, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold or consumed after one year or beyond the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- 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
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- Definition The portion of earnings or loss from continuing operations before income taxes that is attributable to domestic operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Total obligations incurred as part of normal operations that are expected to be paid during the following twelve months or within one business cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of obligation due after one year or beyond the normal operating cycle, if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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/2003/role/disclosureRef
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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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