Goodwill and Other Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2016

Goodwill And Other Intangible Assets Disclosure [Abstract]

Schedule of Intangible Assets and Goodwill [Table Text Block]

									Weighted
									Average
		June 30, 2016				December 31, 2015			Life	(a)
		(in thousands)
Amortizable intangible assets:		Gross		Accumulated Amortization		Gross		Accumulated Amortization
Existing technology	$	15,731	$	(11,807)	$	16,022	$	(11,686)	7.2	Years
Trade names		7,666		(3,336)		7,636		(3,076)	8.5	Years
Distribution agreements/customer relationships		23,756		(12,506)		23,676		(11,849)	9.5	Years
Patents		222		(109)		245		(96)	2.7	Years
Total amortizable intangible assets		47,375	$	(27,758)		47,579	$	(26,707)
Indefinite-lived intangible assets:
Goodwill		39,735				40,357
Other indefinite-lived intangible assets		1,225				1,223
Total goodwill and other indefinite-lived intangible assets		40,960				41,580
Total intangible assets, gross	$	88,335			$	89,159
(a) Weighted average life as of June 30, 2016.

Goodwill Rollforward [Table Text Block]

			(in thousands)
Balance at December 31, 2015			40,357
	Adjustment to purchase price allocation of prior year acquisition		50
	Effect of change in currency translation		(672)
Balance at June 30, 2016		$	39,735