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Income Taxes (Schedule of Deferred Income Taxes) (Details) - USD ($) $ in Thousands | Dec. 27, 2024 | Dec. 29, 2023
--- | --- | ---
Deferred Tax Assets, Net [Abstract] |  |
Inventory valuations | $ 3,456 | $ 1,005
Accrued self-insurance retentions | 1,187 | 1,390
Accrued warranty and service liabilities | 2,392 | 2,290
Vacation accruals | 3,409 | 3,450
Customer allowances | 4,080 | 4,137
Excess of tax over book depreciation and amortization | (79,728) | (44,197)
Pension benefit obligation | 915 | 10,063
Postretirement medical benefit obligation | 5,002 | 5,039
Acquisition costs | 442 | 0
Stock compensation | 12,634 | 12,686
Deferred compensation | 5,305 | 2,205
Deferred revenue | 927 | 2,024
Deferred Tax Asset, In-Process Research and Development | 31,543 | 23,324
Prepayments from foreign subsidiaries | 13,872 | 27,301
Other | 3,652 | 2,449
Net deferred tax assets | $ 9,088 | $ 53,166

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