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Segment Reporting (Tables)

9 Months Ended

Sep. 27, 2013

Disclosure Segment Information [Abstract]

Segment Reporting Information, by Segment

Segment information for the three and nine months ended September 27, 2013 and September 28, 2012 follows:

Revenues
		Three Months Ended						Nine Months Ended
(In thousands)		September 27, 2013			September 28, 2012			September 27, 2013			September 28, 2012
Engineering and other scientific		$	56,395		$	53,071		$	163,353		$	158,784
Environmental and health			18,836			20,227			60,043			60,923
Total revenues		$	75,231		$	73,298		$	223,396		$	219,707

Operating Income
		Three Months Ended						Nine Months Ended
(In thousands)		September 27, 2013			September 28, 2012			September 27, 2013			September 28, 2012
Engineering and other scientific		$	18,115		$	16,217		$	51,747		$	47,573
Environmental and health			5,624			6,933			19,104			20,722
Total segment operating income			23,739			23,150			70,851			68,295
Corporate operating expense			(8,579)			(8,422)			(27,247)			(24,390)
Total operating income		$	15,160		$	14,728		$	43,604		$	43,905

Capital Expenditures
		Three Months Ended						Nine Months Ended
(In thousands)		September 27, 2013			September 28, 2012			September 27, 2013			September 28, 2012
Engineering and other scientific		$	664		$	1,103		$	3,924		$	2,039
Environmental and health			41			174			110			348
Total segment capital expenditures			705			1,277			4,034			2,387
Corporate capital expenditures			187			206			559			1,038
Total capital expenditures		$	892		$	1,483		$	4,593		$	3,425

Depreciation and Amortization
		Three Months Ended						Nine Months Ended
(In thousands)		September 27, 2013			September 28, 2012			September 27, 2013			September 28, 2012
Engineering and other scientific		$	813		$	677		$	2,269		$	2,061
Environmental and health			76			72			221			209
Total segment depreciation and     amortization			889			749			2,490			2,270
Corporate depreciation and     amortization			394			384			1,177			1,189
Total depreciation and     amortization		$	1,283		$	1,133		$	3,667		$	3,459

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- Definition

Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 280

-SubTopic 10

-Section 50

-Paragraph 21

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8721-108599



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 280

-SubTopic 10

-Section 50

-Paragraph 25

-URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8813-108599



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267



Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 280

-SubTopic 10

-Section 50

-Paragraph 30

-URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8906-108599



Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 280

-SubTopic 10

-Section 50

-Paragraph 22

-URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8736-108599

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