Amount of right to consideration in exchange for good or service transferred to customer withheld under retainage provision in long-term contract or program when right to consideration is unconditional.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 910
-SubTopic 10
-Section 50
-Paragraph 7
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=126937589&loc=SL119991598-234733

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(3)(c)(1))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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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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The amount of facilities costs allocated to direct costs of contract revenue.

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- Definition

The aggregate amount of expenditures for salaries and wages (excluding the portion of technical and nontechnical salaries and wages incurred in connection with revenue producing projects) and payroll taxes, bonuses and employee benefit costs for all company personnel, excluding equity-based compensation.

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- Definition

The percentage of total revenue comprised of contracts which include separate phases or elements.

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- Definition

Represents the amount of revenue of the entity in which it acts solely in the capacity of an agent.

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REVENUES - General Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Apr. 01, 2022	Dec. 30, 2022
Revenue
Payroll taxes, bonuses and employee benefit costs for all Company personnel	$ 22,385	$ 19,357
Revenue of the entity recorded in which it acts solely in the capacity of an agent	0
Retained accounts receivable	$ 10,300
Accounts receivable
Revenue
Retained accounts receivable			$ 8,500
Maximum
Revenue
Percent of revenue (as a percent)	3.00%
Minimum
Revenue
Percent of revenue (as a percent)	2.00%
Cost of Sales
Revenue
Payroll taxes, bonuses and employee benefit costs for all Company personnel	$ 0
Allocation of facilities costs to contract revenue	$ 0