Goodwill and Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

The following table represents the changes in goodwill by segment:



	Energy & Chemicals		Distribution & Storage		BioMedical		Total
Balance at December 31, 2015	$	27,873	$	165,940	$	24,577	$	218,390
Foreign currency translation adjustments and other	—		701		—		701
Balance at September 30, 2016	$	27,873	$	166,641	$	24,577	$	219,091

Accumulated goodwill impairment loss	$	64,603	$	—	$	131,243	$	195,846

Schedule Of Finite Lived And Indefinite Lived Intangible Assets [Table Text Block]

The following table displays the gross carrying amount and accumulated amortization for finite-lived intangible assets and indefinite-lived intangible assets (exclusive of goodwill)⁽¹⁾⁽²⁾:



	September 30, 2016					December 31, 2015
	Gross Carrying Amount		Accumulated Amortization			Gross Carrying Amount		Accumulated Amortization
Finite-lived intangible assets:
Unpatented technology	$	8,333	$	(3,054	)	$	8,530	$	(2,660	)
Patents	1,262		(658		)	7,770		(6,753		)
Trademarks and trade names	5,002		(2,167		)	10,052		(6,886		)
Customer relationships	119,658		(79,474		)	138,223		(90,180		)
Land use rights	13,141		(827		)	13,484		(567		)
Total finite-lived intangible assets	$	147,396	$	(86,180	)	$	178,059	$	(107,046	)
Indefinite-lived intangible assets:
Trademarks and trade names	$	35,697				$	35,701

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

After consideration for the impairment losses recorded in the third quarter of 2016, the Company estimates amortization expense to be recognized this year and during each of the five succeeding years as follows:



For the Year Ending December 31,
2016	$	11,800
2017	10,400
2018	9,800
2019	9,800
2020	8,200
2021	2,200