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Income Taxes - (Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Thousands | Dec. 27, 2023 | Dec. 28, 2022
--- | --- | ---
Deferred tax assets: |  |
Self-insurance accruals | $ 2,536 | $ 2,094
Finance lease liabilities | 1,119 | 1,230
Operating lease liabilities | 30,445 | 33,028
Accrued exit costs | 5 | 21
Pension, other retirement and compensation plans | 7,127 | 11,239
Deferred income | 4,617 | 4,396
Other accruals | 478 | 918
General business and foreign tax credit carryforwards - state and federal | 3,472 | 2,387
Net operating loss carryforwards - state | 848 | 1,157
Total deferred tax assets before valuation allowance | 50,647 | 56,470
Less: valuation allowance | (2,943) | (2,738)
Total deferred tax assets | 47,704 | 53,732
Deferred tax liabilities: |  |
Intangible assets | (15,044) | (15,706)
Contract assets | (1,460) | (1,360)
Deferred finance costs | (181) | (250)
Operating lease right-of-use assets | (27,307) | (29,822)
Fixed assets | (8,074) | (9,291)
Interest rate swaps | (2,220) | (4,722)
Total deferred tax liabilities | (54,286) | (61,151)
Net deferred tax liabilities | $ (6,582) | $ (7,419)

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