Segment Information (Tables)

9 Months Ended

Sep. 30, 2013

Segment Information

Schedule of results of operations and total assets by segment

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
	2013			2012			2013			2012
Net sales
Activated Carbon and Service	$	123,027		$	114,971		$	365,933		$	358,561
Equipment	13,419			18,212			41,629			54,217
Consumer	2,929			2,284			7,285			7,700
	$	139,375		$	135,467		$	414,847		$	420,478
Income (loss) from operations before depreciation, amortization, and restructuring
Activated Carbon and Service	$	24,951		$	9,900		$	73,556		$	47,729
Equipment	(628		)	726			(859		)	3,257
Consumer	809			482			1,656			1,832
	25,132			11,108			74,353			52,818
Depreciation and amortization
Activated Carbon and Service	6,468			5,983			18,729			17,406
Equipment	725			619			2,191			1,832
Consumer	154			154			479			473
	7,347			6,756			21,399			19,711
Income from operations before restructuring	17,785			4,352			52,954			33,107
Reconciling items:
Restructuring (Note 1)	87			(7,958		)	129			(7,958		)
Interest income	3			3			139			32
Interest expense	(122		)	(4		)	(428		)	(23		)
Other expense — net	(395		)	(1,042		)	(1,564		)	(1,806		)
Income (loss) before income tax provision (benefit)	$	17,358		$	(4,649	)	$	51,230		$	23,352

	September 30, 2013		December 31, 2012
Total Assets
Activated Carbon and Service	$	523,557	$	510,550
Equipment	56,787		60,191
Consumer	7,722		7,028
Consolidated total assets	$	588,066	$	577,769