Goodwill and Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2014

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, 2013	$	83,215	$	160,054	$	155,636	$	398,905
Foreign currency translation adjustments and other	—		26		—		26
Balance at March 31, 2014	$	83,215	$	160,080	$	155,636	$	398,931

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⁾:



	March 31, 2014					December 31, 2013
	Gross Carrying Amount		Accumulated Amortization			Gross Carrying Amount		Accumulated Amortization
Finite-lived intangible assets:
Unpatented technology	$	36,314	$	(5,501	)	$	43,133	$	(11,776	)
Patents	7,906		(5,578		)	7,904		(5,397		)
Product names	9,155		(4,937		)	9,244		(4,525		)
Customer relations	158,068		(75,682		)	159,143		(73,460		)
Total finite-lived intangible assets	$	211,443	$	(91,698	)	$	219,424	$	(95,158	)
Indefinite-lived intangible assets:
Trademarks and trade names	$	47,880				$	47,876

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

The Company estimates amortization expense to be recognized during the next five years as follows:



For the Year Ending December 31,
2014	$	17,800
2015	16,200
2016	14,300
2017	13,400
2018	12,700