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Revenue, Receivables and Contract Assets and Liabilities - Additional Information (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]
Performance obligations yet to be satisfied	$ 716,000		$ 716,000
Revenue performance obligation weighted average life			2 years 6 months
Revenue recognized			$ 37,000
Net loss	(4,396)	$ (1,564)	(22,532)	$ (86,286)
Revisions in Estimates Decrease [Member] | Federal lock and dam Non-Core Project [Member]
Disaggregation of Revenue [Line Items]
Net loss			$ 7,000
Revisions in Estimates Decrease [Member] | United States Army Corps of Engineers [Member]
Disaggregation of Revenue [Line Items]
Net loss				$ 44,000
Revisions in Estimates Increase [Member] | Federal lock and dam Non-Core Project [Member]
Disaggregation of Revenue [Line Items]
Net loss	$ 2,000
Revisions in Estimates Increase [Member] | GGB Project [Member]
Disaggregation of Revenue [Line Items]
Net loss		$ 7,000

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