Business Segment Information - Schedule of Reportable Segment (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Oct. 03, 2026 |
Sep. 27, 2025 |
Oct. 03, 2026 |
Sep. 27, 2025 |
|
| Segment Reporting [Line Items] | ||||
| Net Revenues | $ 227,023 | $ 214,422 | $ 660,537 | $ 607,706 |
| Cost of Sales | 161,453 | 155,472 | 475,834 | 445,329 |
| Selling, General and Administrative Expenses | 39,775 | 34,009 | 114,857 | 113,702 |
| Restructuring Charges | 0 | 583 | 0 | 1,617 |
| Segment Operating Income | 40,690 | 35,501 | 112,289 | 92,623 |
| Operating Income (Loss) | 25,795 | (75,317) | 69,846 | (52,617) |
| Interest Expense, Net | (3,083) | (2,927) | (10,615) | (9,198) |
| Other Income | 0 | 0 | 0 | 1,746 |
| Pension Plan Settlement Loss | (3,872) | 0 | (3,872) | 0 |
| Income (Loss) Before Taxes | 18,840 | (78,244) | 55,359 | (60,069) |
| Corporate Administration | ||||
| Segment Reporting [Line Items] | ||||
| Corporate general and administrative expenses | (14,895) | (110,818) | (42,443) | (145,240) |
| Electronic Systems | Operating segments | ||||
| Segment Reporting [Line Items] | ||||
| Net Revenues | 129,612 | 125,269 | 378,638 | 344,038 |
| Cost of Sales | 87,393 | 90,477 | 263,217 | 248,972 |
| Selling, General and Administrative Expenses | 13,473 | 11,435 | 38,275 | 33,630 |
| Restructuring Charges | 0 | 71 | 0 | 242 |
| Segment Operating Income | 28,746 | 23,286 | 77,146 | 61,194 |
| Structural Systems | Operating segments | ||||
| Segment Reporting [Line Items] | ||||
| Net Revenues | 97,411 | 89,153 | 281,899 | 263,668 |
| Cost of Sales | 74,060 | 64,995 | 212,617 | 196,357 |
| Selling, General and Administrative Expenses | 11,407 | 11,431 | 34,139 | 34,507 |
| Restructuring Charges | 0 | 512 | 0 | 1,375 |
| Segment Operating Income | $ 11,944 | $ 12,215 | $ 35,143 | $ 31,429 |
| X | ||||||||||
- Definition Segment Profit (Loss) No definition available.
|
| X | ||||||||||
- Definition The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Amount of gain (loss) recognized in net periodic benefit (cost) credit from irrevocable action relieving primary responsibility for benefit obligation and eliminating risk related to obligation and assets used to effect settlement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| 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/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of interest income (expense) classified as nonoperating. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition The net result for the period of deducting operating expenses from operating revenues. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of revenue and income classified as other. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- 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/disclosureRef
|
| 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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| 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 | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|