Marketable Securities - Fair Value (Details) - USD ($) $ in Thousands	Mar. 30, 2024	Dec. 30, 2023
Marketable Securities
Equity securities	$ 5,144	$ 4,910
Available-for-sale securities	256,197
Marketable securities	$ 261,341	$ 225,991
Equity Securities, FV-NI, Fair Value by Fair Value Hierarchy Level	us-gaap:FairValueInputsLevel1Member	us-gaap:FairValueInputsLevel1Member
Corporate and municipal bonds
Marketable Securities
Available-for-sale securities	$ 166,985	$ 175,272
Debt Securities, Available-for-Sale, Fair Value by Fair Value Hierarchy Level	us-gaap:FairValueInputsLevel2Member	us-gaap:FairValueInputsLevel2Member
Commercial Paper
Marketable Securities
Available-for-sale securities	$ 89,212	$ 45,808
Debt Securities, Available-for-Sale, Fair Value by Fair Value Hierarchy Level	us-gaap:FairValueInputsLevel2Member	us-gaap:FairValueInputsLevel2Member

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Indicates level within fair value hierarchy of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-SubTopic 10
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-Section 50
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Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Amount of investment in marketable security.

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