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Summary of Significant Accounting Policies (Accrued Warranty Liability Activity) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 27, 2024 | Dec. 29, 2023
Accrued warranty and service liabilities |  |
Balance, beginning of year | $ 15,408 | $ 14,674
Assumed in business acquisition | 3,861 | 0
Charged to expense | 10,567 | 11,128
Margin on parts sales reversed | 3,391 | 3,875
Reductions for claims settled | (14,515) | (14,269)
Balance, end of year | $ 18,712 | $ 15,408

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- Definition Amount of decrease in the standard and extended product warranty accrual from payments made in cash or in kind to satisfy claims under the terms of the standard and extended product warranty. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 460 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Subparagraph (c)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482425/460-10-50-8 + Details
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