Inventories (Details) - USD ($) $ in Thousands |
Jun. 26, 2026 |
Dec. 26, 2025 |
|---|---|---|
| Inventory, Net [Abstract] | ||
| Finished products and components | $ 177,656 | $ 175,684 |
| Products and components in various stages of completion | 116,181 | 123,866 |
| Raw materials and purchased components | 217,796 | 216,559 |
| Subtotal | 511,633 | 516,109 |
| Reduction to LIFO cost | (117,914) | (114,971) |
| Total | $ 393,719 | $ 401,138 |
| X | ||||||||||
- Definition Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Gross amount, as of the balance sheet date, of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount by which inventory stated at last-in first-out (LIFO) is less than (in excess of) inventory stated at other inventory cost methods. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Gross amount of unprocessed materials to be used in manufacturing or production process and supplies that will be consumed. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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