Goodwill and Intangible Assets - Other Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012 Other [Member]	Dec. 31, 2011 Other [Member]	Dec. 31, 2012 Patents [Member]	Dec. 31, 2011 Patents [Member]	Dec. 31, 2012 Distribution agreements [Member]	Aug. 21, 2012 Distribution agreements [Member]	Jan. 05, 2012 Distribution agreements [Member]	Dec. 31, 2011 Distribution agreements [Member]	Dec. 31, 2012 License agreements and trademarks [Member]	Dec. 31, 2011 License agreements and trademarks [Member]	Dec. 31, 2012 Trademarks [Member]	Dec. 31, 2011 Trademarks [Member]	Dec. 31, 2012 Non-compete agreements [Member]	Dec. 31, 2011 Non-compete agreements [Member]	Dec. 31, 2012 Customer lists [Member]	Jan. 05, 2012 Customer lists [Member]	Dec. 31, 2011 Customer lists [Member]	Dec. 31, 2010 Customer lists [Member]	Dec. 31, 2012 Royalty agreements [Member]	Dec. 31, 2011 Royalty agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 44,833	$ 31,469	$ 7,843	$ 6,455	$ 5,176			$ 2,426	$ 2,733	$ 1,983	$ 7,311	$ 5,746	$ 1,035	$ 315	$ 20,468		$ 14,277		$ 267	$ 267
Accumulated Amortization	(14,034)	(10,215)	(2,045)	(1,704)	(1,301)			(900)	(861)	(436)	(1,362)	(1,014)	(160)	(108)	(8,038)		(5,786)		(267)	(267)
Net Carrying Amount	$ 30,799	$ 21,254	$ 5,798	$ 4,751	$ 3,875	$ 250	$ 2,500	$ 1,526	$ 1,872	$ 1,547	$ 5,949	$ 4,732	$ 875	$ 207	$ 12,430	$ 95	$ 8,491	$ 1,300	$ 0	$ 0