Goodwill and Intangible Assets - Other Intangible Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Other
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 64,943	$ 53,616
Accumulated Amortization	(25,541)	(22,480)
Net Carrying Amount	39,402	31,136
Patents
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	11,484	10,199
Accumulated Amortization	(2,476)	(2,196)
Net Carrying Amount	9,008	8,003
Distribution agreements
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	5,626	5,376
Accumulated Amortization	(2,705)	(2,285)
Net Carrying Amount	2,921	3,091
License agreements and trademarks
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	18,463	8,995
Accumulated Amortization	(2,271)	(1,823)
Net Carrying Amount	16,192	7,172
Trademarks
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	7,268	7,298
Accumulated Amortization	(2,435)	(2,079)
Net Carrying Amount	4,833	5,219
Non-compete agreements
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	1,029	1,029
Accumulated Amortization	(815)	(636)
Net Carrying Amount	214	393
Customer lists
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	20,806	20,452
Accumulated Amortization	(14,572)	(13,194)
Net Carrying Amount	6,234	7,258
Royalty agreements
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	267	267
Accumulated Amortization	(267)	(267)
Net Carrying Amount	$ 0	$ 0