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Goodwill and Other Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2015

Goodwill And Other Intangible Assets Disclosure [Abstract]

Schedule of Intangible Assets and Goodwill [Table Text Block]

														Weighted
														Average
		June 30, 2015							December 31, 2014					Life	(a)
		(in thousands)
Amortizable intangible assets:		Gross			Accumulated Amortization				Gross			Accumulated Amortization
Existing technology	$	16,399		$	(11,508)			$	15,538		$	(11,198)		7.6	Years
Trade names		7,698			(2,826)				7,114			(2,557)		9.5	Years
Distribution agreements/customer relationships		23,830			(11,238)				22,730			(10,681)		10.4	Years
Patents		259			(76)				256			(49)		3.7	Years
Total amortizable intangible assets		48,186		$	(25,648)				45,638		$	(24,485)

Indefinite-lived intangible assets:
Goodwill		41,081							39,822
Other indefinite-lived intangible assets		1,228							1,252
Total goodwill and other indefinite-lived intangible assets		42,309							41,074

Total intangible assets	$	90,495						$	86,712

(a) Weighted average life as of June 30, 2015.

Goodwill Rollforward [Table Text Block]

			(in thousands)
Balance at December 31, 2014		$	39,822
	Goodwill arising from business combinations		2,061
	Effect of change in currency translation		(802)
Balance at June 30, 2015		$	41,081