Segment Reporting (Tables)

6 Months Ended

Jun. 28, 2013

Disclosure Segment Information [Abstract]

Segment Reporting Information, by Segment

Segment information for the three and six months ended June 28, 2013 and June 29, 2012 follows:

Revenues

 

	Three Months Ended				Six Months Ended
(In thousands)	June 28, 2013		June 29, 2012		June 28, 2013		June 29, 2012
Engineering and other scientific	$	53,635	$	53,996	$	106,958	$	105,713
Environmental and health		21,870		20,488		41,207		40,696
Total revenues	$	75,505	$	74,484	$	148,165	$	146,409

Operating Income

	Three Months Ended				Six Months Ended
(In thousands)	June 28, 2013		June 29, 2012		June 28, 2013		June 29, 2012
Engineering and other scientific	$	16,758	$	16,423	$	33,632	$	31,356
Environmental and health		7,900		7,005		13,480		13,789
Total segment operating income		24,658		23,428		47,112		45,145
Corporate operating expense		(7,065)		(6,067)		(18,668)		(15,968)
Total operating income	$	17,593	$	17,361	$	28,444	$	29,177

Capital Expenditures

	Three Months Ended				Six Months Ended
(In thousands)	June 28, 2013		June 29, 2012		June 28, 2013		June 29, 2012
Engineering and other scientific	$	1,573	$	458	$	2,934	$	936
Environmental and health		31		31		69		174
Total segment capital expenditures		1,604		489		3,003		1,110
Corporate capital expenditures		138		159		698		832
Total capital expenditures	$	1,742	$	648	$	3,701	$	1,942

Depreciation and Amortization

	Three Months Ended				Six Months Ended
(In thousands)	June 28, 2013		June 29, 2012		June 28, 2013		June 29, 2012
Engineering and other scientific	$	757	$	700	$	1,456	$	1,384
Environmental and health		71		69		145		137
Total segment depreciation and amortization		828		769		1,601		1,521
Corporate depreciation and amortization		407		413		783		805
Total depreciation and amortization	$	1,235	$	1,182	$	2,384	$	2,326