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Income Taxes (Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Thousands | Dec. 26, 2018 | Dec. 27, 2017
--- | --- | ---
Deferred tax assets: |  |
Self-insurance accruals | $ 4,647 | $ 4,364
Capitalized leases | 2,045 | 1,718
Accrued exit cost | 445 | 487
Interest rate swaps | 1,157 | 566
Pension, other retirement and compensation plans | 10,568 | 10,328
Deferred income | 5,099 | 609
Other accruals | 633 | 0
Alternative minimum tax credit carryforwards | 928 | 3,534
General business and foreign tax credit carryforwards - state and federal | 11,061 | 13,355
Net operating loss carryforwards - state | 13,899 | 14,096
Total deferred tax assets before valuation allowance | 50,482 | 49,057
Less: valuation allowance | (13,199) | (13,078)
Total deferred tax assets | 37,283 | 35,979
Deferred tax liabilities: |  |
Intangible assets | (14,631) | (14,578)
Deferred finance costs | (286) | (111)
Fixed assets | (5,033) | (4,179)
Other accruals | 0 | (166)
Total deferred tax liabilities | (19,950) | (19,034)
Net deferred tax asset | $ 17,333 | $ 16,945

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