Business Segment Information (Tables)

12 Months Ended

Dec. 31, 2016

Segment Reporting [Abstract]

Net Sales and Income from Operation by Business Segment

	2016			2015			2014
Net Sales (less intra-, inter-segment sales)
(Table only in thousands)
Energy Segment	$	203,376		$	142,150		$	70,285
Environmental Segment		153,344			158,371			127,707
Fluid Handling and Filtration Segment		61,783			67,610			65,638
Corporate and Other (1)		(1,492	)		(709	)		(413	)
Net sales	$	417,011		$	367,422		$	263,217

(1) Includes adjustment for revenue on intercompany jobs.

	2016			2015			2014
(Loss) income from Operations
(Table only in thousands)
Energy Segment	$	23,575		$	3,488		$	7,799
Environmental Segment		15,652			17,021			16,803
Fluid Handling and Filtration Segment		(36,209	)		11,741			13,188
Corporate and Other (2)		(26,981	)		(26,592	)		(14,297	)
Eliminations		(1,599	)		(709	)		(1,830	)
(Loss) income from operations	$	(25,562	)	$	4,949		$	21,663

(2) Includes corporate compensation, professional services, information technology, acquisition and integration expenses, and other general and administrative corporate expenses.

Property and Equipment Additions, Depreciation and Amortization and Identifiable Assets

	2016		2015		2014
Property and Equipment Additions
(Table only in thousands)
Energy Segment	$	569	$	429	$	136
Environmental Segment		404		166		486
Fluid Handling and Filtration Segment (3)		4,481		150		486
Corporate and Other		7		18		43
Property and equipment additions	$	5,461	$	763	$	1,151

(3)Includes non-cash additions of $4,385 for property, plant, and equipment acquired under capital leases for the year ended December 31, 2016.  See Note 12 for further detail.

	2016		2015		2014
Depreciation and Amortization
(Table only in thousands)
Energy Segment	$	9,555	$	5,293	$	2,329
Environmental Segment		3,816		4,443		2,263
Fluid Handling and Filtration Segment		5,406		6,331		6,545
Corporate and Other		126		453		131
Depreciation and amortization	$	18,903	$	16,520	$	11,268

	December 31,
	2016		2015
Identifiable Assets
(Table only in thousands)
Energy Segment	$	257,566	$	283,002
Environmental Segment		118,680		135,171
Fluid Handling and Filtration Segment		104,294		161,394
Corporate and Other (4)		18,094		19,252
Identifiable assets	$	498,634	$	598,819

(4) Corporate assets primarily consist of cash and income tax related assets.

Goodwill

	December 31,
	2016		2015
Goodwill
(Table only in thousands)
Energy Segment	$	75,827	$	72,075
Environmental Segment	$	48,203	$	55,031
Fluid Handling and Filtration Segment		46,123		93,057
Goodwill	$	170,153	$	220,163

Intra-Segment and Inter-Segment Revenues

The Company has multiple divisions that sell to each other within segments (intra-segment sales) and between segments (inter-segment sales) as indicated in the following tables:

	Year Ended December 31, 2016
						Less Inter-Segment Sales
	Total Sales		Intra - Segment Sales			Environmental			Energy			FHF			Corp and Other			Net Sales to Outside Customers
Net Sales
(Table only in thousands)
Energy Segment	$	207,280	$	(3,506	)	$	(398	)	$	—		$	—		$	—		$	203,376
Environmental Segment		160,959		(4,256	)		—			(3,153	)		(206	)		—			153,344
Fluid Handling and Filtration Segment		64,327		(1,714	)		(317	)		(513	)		—			—			61,783
Corporate and Other (4)		—		—			—			—			—			(1,492	)		(1,492	)
Net Sales	$	432,566	$	(9,476	)	$	(715	)	$	(3,666	)	$	(206	)	$	(1,492	)	$	417,011

	Year Ended December 31, 2015
						Less Inter-Segment Sales
	Total Sales		Intra - Segment Sales			Environmental			Energy			FHF			Corp and Other			Net Sales to Outside Customers
Net Sales
(Table only in thousands)
Energy Segment	$	147,661	$	(4,876	)	$	(635	)	$	—		$	—		$	—		$	142,150
Environmental Segment		167,247		(6,744	)		0			(1,937	)		(195	)		—			158,371
Fluid Handling and Filtration Segment		70,084		(2,277	)		(197	)		—			—			—			67,610
Corporate and Other (4)		—		—			—			—			—			(709	)		(709	)
Net Sales	$	384,992	$	(13,897	)	$	(832	)	$	(1,937	)	$	(195	)	$	(709	)	$	367,422

	Year Ended December 31, 2014
						Less Inter-Segment Sales
	Total Sales		Intra - Segment Sales			Environmental			Energy			FHF			Corp and Other			Net Sales to Outside Customers
Net Sales
(Table only in thousands)
Energy Segment	$	76,302	$	(5,964	)	$	(53	)	$	—		$	—		$	—		$	70,285
Environmental Segment		136,544		(7,089	)		0			(1,403	)		(345	)		—			127,707
Fluid Handling and Filtration Segment		67,558		(1,845	)		(75	)		—			—			—			65,638
Corporate and Other (4)		—		—			—			—			—			(413	)		(413	)
Net Sales	$	280,404	$	(14,898	)	$	(128	)	$	(1,403	)	$	(345	)	$	(413	)	$	263,217

(4) Includes adjustment for revenue on intercompany jobs.