Revenue Recognition (Tables)

3 Months Ended

Apr. 03, 2020

Revenue Recognition [Abstract]

Summary of Revenues

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

	Three Months Ended
	April 3, 2020			March 29, 2019
Engineering & other scientific		66	%		66	%
Environmental and health		19	%		18	%
Total time and materials revenues		85	%		84	%

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

	Three Months Ended
	April 3, 2020			March 29, 2019
Engineering & other scientific		14	%		15	%
Environmental and health		1	%		1	%
Total fixed price revenues		15	%		16	%