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Summary of Significant Accounting Policies (Accrued Warranty Liability Activity) (Details) - USD ($) $ in Thousands	12 Months Ended
	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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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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- Definition

Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
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-Subparagraph (SX 210.9-03(15)(5))
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-Topic 460
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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-Publisher FASB
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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.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 460
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 8
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The expense charged against earnings for the period pertaining to standard and extended warranties on the entity's goods and services granted to customers.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Amount of increase in the standard product warranty accrual from a business acquisition. Excludes extended product warranties.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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