Goodwill and Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2017

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, 2016	$	27,873	$	165,520	$	24,577		$	217,970
Foreign currency translation adjustments and other	—		2,214		(104		)	2,110
Goodwill acquired during the year	236,246		1,155		—			237,401
Balance at September 30, 2017	$	264,119	$	168,889	$	24,473		$	457,481

Accumulated goodwill impairment loss at September 30, 2017 and December 31, 2016	$	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, 2017					December 31, 2016
	Weighted-average Estimated Useful Life	Gross Carrying Amount		Accumulated Amortization			Gross Carrying Amount		Accumulated Amortization
Finite-lived intangible assets:
Customer relationships	12 years	$	233,208	$	(83,596	)	$	119,320	$	(81,614	)
Unpatented technology	12 years	27,686		(3,836		)	8,186		(3,132		)
Land use rights	50 years	13,222		(1,097		)	12,650		(860		)
Trademarks and trade names	14 years	5,517		(2,767		)	4,918		(2,198		)
Patents and other	6 years	2,878		(502		)	1,235		(695		)
Total finite-lived intangible assets	14 years	$	282,511	$	(91,798	)	$	146,309	$	(88,499	)
Indefinite-lived intangible assets:
Trademarks and trade names		$	108,165	—			$	35,633	—
Total intangible assets		$	390,676	$	(91,798	)	$	181,942	$	(88,499	)

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⁽¹⁾	Amounts include the impact of foreign currency translation. Fully amortized amounts are written off.


⁽²⁾	The Company amortizes certain identifiable intangible assets primarily on a straight-line basis over their estimated useful lives, which range from one to 50 years.

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

The Company estimates future amortization expense for its current finite-lived intangible assets as follows:



For the Year Ending December 31,
2017	$	15,700
2018	24,400
2019	24,100
2020	22,200
2021	16,100

Schedule of Government Grants [Table Text Block]

Government grants at September 30, 2017 and December 31, 2016 are as follows:



	September 30, 2017		December 31, 2016
Current	$	481	$	446
Long-term	8,378		8,153
Total government grants	$	8,859	$	8,599