Segment Reporting (Tables)

9 Months Ended

Oct. 02, 2015

Disclosure Segment Information [Abstract]

Segment Reporting Information, by Segment

Segment information for the three and nine months ended October 2, 2015 and October 3, 2014 follows:

Revenues
	Three Months Ended				Nine Months Ended
	October 2,		October 3,		October 2,		October 3,
(In thousands)	2015		2014		2015		2014
Engineering and Other Scientific	$	61,052	$	57,491	$	180,212	$	168,611
Environmental and Health		17,942		21,066		58,939		62,482
Total revenues	$	78,994	$	78,557	$	239,151	$	231,093

Operating Income
	Three Months Ended				Nine Months Ended
(In thousands)	October 2,		October 3,		October 2,		October 3,
	2015		2014		2015		2014
Engineering and Other Scientific	$	20,252	$	18,939	$	58,605	$	55,457
Environmental and Health		5,039		7,007		18,134		20,171
Total segment operating income		25,291		25,946		76,739		75,628
Corporate operating expense		(4,370)		(6,708)		(22,085)		(26,212)
Total operating income	$	20,921	$	19,238	$	54,654	$	49,416

Capital Expenditures
	Three Months Ended				Nine Months Ended
(In thousands)	October 2,		October 3,		October 2,		October 3,
	2015		2014		2015		2014
Engineering and Other Scientific	$	1,057	$	1,509	$	2,268	$	2,833
Environmental and Health		52		36		123		151
Total segment capital expenditures		1,109		1,545		2,391		2,984
Corporate capital expenditures		1,532		385		1,964		922
Total capital expenditures	$	2,641	$	1,930	$	4,355	$	3,906

Depreciation and Amortization
	Three Months Ended				Nine Months Ended
(In thousands)	October 2,		October 3,		October 2,		October 3,
	2015		2014		2015		2014
Engineering and Other Scientific	$	951	$	923	$	2,877	$	2,664
Environmental and Health		46		49		133		145
Total segment depreciation and amortization		997		972		3,010		2,809
Corporate depreciation and amortization		332		374		1,024		1,170
Total depreciation and amortization	$	1,329	$	1,346	$	4,034	$	3,979