Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands |
Dec. 27, 2025 |
Dec. 28, 2024 |
|---|---|---|
| Deferred tax assets: | ||
| Accounts receivable | $ 869 | $ 794 |
| Employment incentives | 3,412 | 4,300 |
| Self-insurance liability | 9,107 | 9,283 |
| Postretirement benefit obligations | 7,000 | 6,454 |
| Net operating loss and credit carryforwards | 1,849 | 1,533 |
| Unrecognized tax benefits | 549 | |
| 174 R&D Capitalization | 1,422 | 6,411 |
| Unrealized (gains) or losses on marketable securities | 626 | |
| Other | 116 | |
| Total deferred tax assets | 24,285 | 29,440 |
| Deferred tax liabilities: | ||
| Inventories | (13,451) | (7,348) |
| Unrealized (gains) or losses on marketable securities | (223) | |
| Prepaids | (10,765) | (9,895) |
| Nondeductible accruals and other | (380) | 382 |
| Depreciation | (126,539) | (120,042) |
| Total deferred tax liabilities | (151,135) | (137,126) |
| Net deferred tax liability | $ (126,850) | $ (107,686) |
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- Definition Amount of deferred tax liability attributable to taxable temporary differences. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary difference from in-process research and development cost acquired in business combination or from joint venture formation or both. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences from compensation and benefits, classified as other. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from postretirement benefits. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences from provisions, reserves, allowances, and accruals, classified as other. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary difference from allowance for credit loss on accounts receivable. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from estimated losses under self insurance. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary difference from unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References No definition available.
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- Definition Amount of deferred tax consequences attributable to taxable temporary differences derived from inventory. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of deferred tax consequences attributable to taxable temporary differences derived from prepaid expenses. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Deferred Tax Assets, Unrecognized Tax Benefits No definition available.
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- Definition Amount of deferred tax liability attributable to taxable temporary differences from non-deductible accruals and liabilities classified as other. No definition available.
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- Definition Amount of deferred tax liability attributable to taxable temporary differences from unrealized gains on marketable securities. No definition available.
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