Segment Reporting (Tables)

6 Months Ended

Jul. 02, 2021

Segment Reporting [Abstract]

Segment Reporting Information, by Segment

Segment information for the three and six months ended July 2, 2021 and July 3, 2020 follows:

Revenues

	Three Months Ended				Six Months Ended
(In thousands)	July 2, 2021		July 3, 2020		July 2, 2021		July 3, 2020
Engineering and Other Scientific	$	98,139	$	72,123	$	191,748	$	157,009
Environmental and Health		21,738		19,922		44,610		40,989
Total revenues	$	119,877	$	92,045	$	236,358	$	197,998

Operating Income

	Three Months Ended						Six Months Ended
(In thousands)	July 2, 2021			July 3, 2020			July 2, 2021			July 3, 2020
Engineering and Other Scientific	$	37,914		$	20,807		$	71,970		$	47,448
Environmental and Health		7,495			7,049			15,414			14,302
Total segment operating income		45,409			27,856			87,384			61,750
Corporate operating expense		(16,037	)		(18,736	)		(33,954	)		(16,642	)
Total operating income	$	29,372		$	9,120		$	53,430		$	45,108

Certain operating expenses are excluded from the Company’s measure of segment operating income. These expenses include the costs associated with our human resources, finance, information technology, and business development groups; the deferred compensation expense/benefit due to the change in value of assets associated with our deferred compensation plan; stock-based compensation associated with restricted stock unit and stock option awards; and the change in our allowance for contract losses and doubtful accounts.

Capital Expenditures

	Three Months Ended				Six Months Ended
(In thousands)	July 2, 2021		July 3, 2020		July 2, 2021		July 3, 2020
Engineering and Other Scientific	$	814	$	901	$	1,418	$	1,467
Environmental and Health		30		19		79		81
Total segment capital expenditures		844		920		1,497		1,548
Corporate capital expenditures		655		724		2,308		1,135
Total capital expenditures	$	1,499	$	1,644	$	3,805	$	2,683

Depreciation and Amortization

	Three Months Ended				Six Months Ended
(In thousands)	July 2, 2021		July 3, 2020		July 2, 2021		July 3, 2020
Engineering and Other Scientific	$	976	$	1,068	$	1,986	$	2,205
Environmental and Health		47		46		93		93
Total segment depreciation and    amortization		1,023		1,114		2,079		2,298
Corporate depreciation and amortization		619		587		1,219		1,189
Total depreciation and amortization	$	1,642	$	1,701	$	3,298	$	3,487