REVENUE - Revenue by Customer (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Oct. 02, 2026	Sep. 26, 2025	Oct. 02, 2026	Sep. 26, 2025
Disaggregation of Revenue [Line Items]
Total revenue	$ 1,271,463	$ 1,167,137	$ 3,782,234	$ 3,261,390
Army
Disaggregation of Revenue [Line Items]
Total revenue	$ 337,688	449,031	$ 1,199,914	1,348,610
Revenue, percent change	(24.80%)		(11.00%)
Navy
Disaggregation of Revenue [Line Items]
Total revenue	$ 389,726	390,542	$ 1,147,819	1,090,936
Revenue, percent change	(0.20%)		5.20%
Air Force
Disaggregation of Revenue [Line Items]
Total revenue	$ 251,275	167,571	$ 634,298	374,519
Revenue, percent change	50.00%		69.40%
Other
Disaggregation of Revenue [Line Items]
Total revenue	$ 292,774	$ 159,993	$ 800,203	$ 447,325
Revenue, percent change	83.00%		78.90%

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details

- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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