Other Comprehensive Income (Loss) - Reclassification out of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 26, 2026	Sep. 27, 2025	Sep. 26, 2026	Sep. 27, 2025
Reclassification out of Accumulated Other Comprehensive Income \| Pension and postretirement liability and reclassification adjustments
Reclassification Adjustment out of Accumulated Other Comprehensive Income
Amortization of prior service and net actuarial loss, and other	$ 471	$ 490	$ 1,404	$ 1,381

Amount of revenue and income classified as other.

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