Income Taxes - Unrecognized tax benefits (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 28, 2024	Dec. 30, 2023	Dec. 31, 2022
Summary of the activity related to gross unrecognized tax benefits
Beginning balance	$ 4,868	$ 4,109	$ 3,677
Additions based on tax positions related to current year	970	737	872
Additions based on tax positions related to prior years	0	22	0
Reductions based on tax positions related to prior years	(5)	0	(6)
Reductions for tax positions as a result of a lapse of the applicable statute of limitations	(1,406)	0	(434)
Ending balance	$ 4,427	$ 4,868	$ 4,109

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

No definition available.

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- Definition

Amount of unrecognized tax benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 217
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- Definition

Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

+ References

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- Definition

Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

+ References

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Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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- Definition

Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.

+ References

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