Revenue Recognition (Tables)

12 Months Ended

Jan. 03, 2020

Revenue From Contract With Customer [Abstract]

Summary of Percent of Revenues

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

	Fiscal Years
	2019	2018
Engineering & other scientific	66%	64%
Environmental and health	18%	18%
Total time and materials revenues	84%	82%

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

	Fiscal Years
	2019	2018
Engineering & other scientific	15%	17%
Environmental and health	1%	1%
Total fixed price revenues	16%	18%