Revenue Recognition (Tables)

9 Months Ended

Sep. 27, 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						Nine Months Ended
	September 27, 2024			September 29, 2023			September 27, 2024			September 29, 2023
Engineering & Other Scientific		63	%		61	%		63	%		63	%
Environmental and Health		15	%		15	%		16	%		15	%
Total time and materials revenues		78	%		76	%		79	%		78	%

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

	Three Months Ended						Nine Months Ended
	September 27, 2024			September 29, 2023			September 27, 2024			September 29, 2023
Engineering & Other Scientific		21	%		23	%		20	%		20	%
Environmental and Health		1	%		1	%		1	%		2	%
Total fixed price revenues		22	%		24	%		21	%		22	%