Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in the carrying amount of goodwill

Changes in the carrying amount of goodwill by reportable segment are as follows:

(In thousands)	Fluids Systems			Mats and Integrated Services			Total
Balance at December 31, 2014	$	72,684		$	19,209		$	91,893
Impairment	(70,720		)	—			(70,720		)
Effects of foreign currency	(1,964		)	(200		)	(2,164		)
Balance at December 31, 2015	—			19,009			19,009
Acquisition	1,720			—			1,720
Effects of foreign currency	(54		)	(680		)	(734		)
Balance at December 31, 2016	1,666			18,329			19,995

Other intangible assets

Other intangible assets consist of the following:

	December 31, 2016							December 31, 2015
(In thousands)	Gross Carrying Amount		Accumulated Amortization			Other intangible assets, net		Gross Carrying Amount		Accumulated Amortization			Other intangible assets, net
Technology related	$	5,766	$	(3,873	)	$	1,893	$	5,077	$	(3,600	)	$	1,477
Customer related	25,158		(21,962		)	3,196		28,069		(19,638		)	8,431
Employment related	1,848		(1,346		)	502		1,625		(975		)	650
Total amortizing intangible assets	32,772		(27,181		)	5,591		34,771		(24,213		)	10,558
Permits and licenses	476		—			476		493		—			493
Total indefinite-lived intangible assets	476		—			476		493		—			493
Total intangible assets	$	33,248	$	(27,181	)	$	6,067	$	35,264	$	(24,213	)	$	11,051

Estimated future amortization expense

Estimated future amortization expense for the years ended December 31 is as follows:

(In thousands)	2017		2018		2019		2020		2021		Thereafter		Total
Technology related	$	339	$	339	$	339	$	310	$	259	$	307	$	1,893
Customer related	1,632		584		419		313		184		64		3,196
Employment related	437		65		—		—		—		—		502
Total future amortization expense	$	2,408	$	988	$	758	$	623	$	443	$	371	$	5,591