Revenue Recognition (Tables)

6 Months Ended

Jun. 28, 2024

Revenue Recognition [Abstract]

Summary of Percent of Revenues

The following table discloses the percentage of the Company’s revenue generated from time and materials contracts:

	Three Months Ended						Six Months Ended
	June 28, 2024			June 30, 2023			June 28, 2024			June 30, 2023
Engineering & Other Scientific		62	%		64	%		64	%		64	%
Environmental and Health		15	%		15	%		16	%		15	%
Total time and materials revenues		77	%		79	%		80	%		79	%

The following table discloses the percentage of the Company’s revenue generated from fixed price contracts:

	Three Months Ended						Six Months Ended
	June 28, 2024			June 30, 2023			June 28, 2024			June 30, 2023
Engineering & Other Scientific		22	%		19	%		19	%		19	%
Environmental and Health		1	%		2	%		1	%		2	%
Total fixed price revenues		23	%		21	%		20	%		21	%