Segment Reporting (Tables)

9 Months Ended

Oct. 03, 2014

Disclosure Segment Information [Abstract]

Segment Reporting Information, by Segment

Segment information for the three and nine months ended October 3, 2014 and September 27, 2013 follows:

Revenues

	Three Months Ended				Nine Months Ended
(In thousands)	October 3, 2014		September 27, 2013		October 3, 2014		September 27, 2013
Engineering and Other Scientific	$	57,491	$	56,395	$	168,611	$	163,353
Environmental and Health		21,066		18,836		62,482		60,043
Total revenues	$	78,557	$	75,231	$	231,093	$	223,396

Operating Income  

	Three Months Ended				Nine Months Ended
(In thousands)	October 3, 2014		September 27, 2013		October 3, 2014		September 27, 2013
Engineering and Other Scientific	$	18,939	$	18,115	$	55,457	$	51,747
Environmental and Health		7,007		5,624		20,171		19,104
Total segment operating income		25,946		23,739		75,628		70,851
Corporate operating expense		(6,708)		(8,579)		(26,212)		(27,247)
Total operating income	$	19,238	$	15,160	$	49,416	$	43,604

Capital Expenditures

	Three Months Ended				Nine Months Ended
(In thousands)	October 3, 2014		September 27, 2013		October 3, 2014		September 27, 2013
Engineering and Other Scientific	$	1,509	$	664	$	2,833	$	3,924
Environmental and Health		36		41		151		110
Total segment capital expenditures		1,545		705		2,984		4,034
Corporate capital expenditures		385		187		922		559
Total capital expenditures	$	1,930	$	892	$	3,906	$	4,593

Depreciation and Amortization

	Three Months Ended				Nine Months Ended
(In thousands)	October 3,  2014		September 27,  2013		October 3,  2014		September 27,  2013
Engineering and Other Scientific	$	923	$	813	$	2,664	$	2,269
Environmental and Health		49		76		145		221
Total segment depreciation and amortization		972		889		2,809		2,490
Corporate depreciation and amortization		374		394		1,170		1,177
Total depreciation and amortization	$	1,346	$	1,283	$	3,979	$	3,667