Revenue Recognition (Tables)

3 Months Ended

Apr. 01, 2022

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
	April 1, 2022			April 2, 2021
Engineering & other scientific		62	%		61	%
Environmental and health		17	%		18	%
Total time and materials revenues		79	%		79	%

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

	Three Months Ended
	April 1, 2022			April 2, 2021
Engineering & other scientific		20	%		20	%
Environmental and health		1	%		1	%
Total fixed price revenues		21	%		21	%