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Revenue Receivables and Contract Assets and Liabilities - Summary of Company's Revenue Disaggregated by Contract Types (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 28, 2024	Jun. 30, 2023	Jun. 28, 2024	Jun. 30, 2023
Disaggregation of Revenue [Line Items]
Total revenue	$ 90,605	$ 155,189	$ 210,648	$ 319,297
Fixed-Price [Member]
Disaggregation of Revenue [Line Items]
Total revenue	82,313	135,310	195,379	286,838
Cost Reimbursable [Member]
Disaggregation of Revenue [Line Items]
Total revenue	7,876	18,050	14,381	28,893
Equipment and Labor Revenue [Member]
Disaggregation of Revenue [Line Items]
Total revenue	$ 416	$ 1,829	$ 888	$ 3,566

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