Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2017

Goodwill And Intangible Assets Disclosure [Abstract]

Goodwill / Tradename

(Table only in thousands)	Energy Segment			Environmental Segment			FluidHandling andFiltration Segment			Totals
Balance of goodwill at December 31, 2015	$	72,075		$	55,031		$	93,057		$	220,163
2016 acquisition related adjustments		4,205			—			—			4,205
Impairment charge		—			(6,828	)		(46,934	)		(53,762	)
Foreign currency translation		(453	)		—			—			(453	)
Balance of goodwill at December 31, 2016		75,827			48,203			46,123			170,153
Impairment charge		(4,443	)		—			—			(4,443	)
Foreign currency translation		1,241			—			—			1,241
Balance of goodwill at December 31, 2017	$	72,625		$	48,203		$	46,123		$	166,951

	Tradenames
(Table only in thousands)	2017			2016
Beginning balance	$	22,042		$	26,337
Impairment charge		(2,725	)		(4,161	)
Foreign currency adjustments		374			(134	)
Total indefinite lived intangible assets	$	19,691		$	22,042

Summary of Finite Lived Intangible Assets

The Company’s finite lived intangible assets as of December 31, 2017 and 2016 consisted of the following:

	2017						2016
(Table only in thousands) Intangible assets – finite life	Cost			Accum. Amort.			Cost			Accum. Amort.
Technology	$	15,867		$	8,609		$	15,867		$	6,360
Customer lists		77,497			35,024			77,497			26,041
Noncompetition agreements		1,118			698			1,118			478
Tradename		1,390			440			1,390			301
Foreign currency adjustments		(1,214	)		(69	)		(2,964	)		(1,000	)
Total finite life intangible assets	$	94,658		$	44,702		$	92,908		$	32,180