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Revenue, Receivables and Contract Assets and Liabilities - Summary of Company's Revenue Disaggregated by Shimmick Projects and Non-Core Projects (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 03, 2025	Sep. 27, 2024	Oct. 03, 2025	Sep. 27, 2024
Disaggregation of Revenue [Line Items]
Total revenue	$ 141,920	$ 166,035	$ 392,432	$ 376,684
Shimmick Projects [Member]
Disaggregation of Revenue [Line Items]
Total revenue	106,826	101,475	312,599	275,457
Non Core Projects [Member]
Disaggregation of Revenue [Line Items]
Total revenue	$ 35,094	$ 64,560	$ 79,833	$ 101,227

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