Goodwill and Intangible Assets (Intangible Assets) (Details) (USD $)	3 Months Ended		9 Months Ended																		3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013 Other Intangible Assets [Member]	Dec. 31, 2012 Other Intangible Assets [Member]	Sep. 30, 2013 Patents [Member]	Dec. 31, 2012 Patents [Member]	Sep. 30, 2013 Distribution Rights [Member]	Dec. 31, 2012 Distribution Rights [Member]	Sep. 30, 2013 Licensing Agreements [Member]	Dec. 31, 2012 Licensing Agreements [Member]	Sep. 30, 2013 Trademarks [Member]	Dec. 31, 2012 Trademarks [Member]	Sep. 30, 2013 Noncompete Agreements [Member]	Dec. 31, 2012 Noncompete Agreements [Member]	Sep. 30, 2013 Customer Lists [Member]	Dec. 31, 2012 Customer Lists [Member]	Sep. 30, 2013 Royalty Agreements [Member]	Dec. 31, 2012 Royalty Agreements [Member]	Sep. 30, 2013 Ostial Solutions, LLC [Member]	Sep. 30, 2012 Ostial Solutions, LLC [Member]	Sep. 30, 2013 Ostial Solutions, LLC [Member]	Sep. 30, 2012 Ostial Solutions, LLC [Member]
Finite-Lived Intangible Assets [Line Items]
Write-off of patents and intangible assets	$ 8,116,000	$ 17,000	$ 8,169,000	$ 27,000																	$ 8,089,000	$ 0	$ 8,089,000	$ 0
Gross Carrying Amount					45,570,000	44,833,000	8,906,000	7,843,000	5,176,000	5,176,000	2,733,000	2,733,000	7,255,000	7,311,000	1,029,000	1,035,000	20,204,000	20,468,000	267,000	267,000
Accumulated Amortization					(17,652,000)	(14,034,000)	(2,298,000)	(2,045,000)	(1,660,000)	(1,301,000)	(1,156,000)	(861,000)	(1,719,000)	(1,362,000)	(339,000)	(160,000)	(10,213,000)	(8,038,000)	(267,000)	(267,000)
Net Carrying Amount					27,918,000	30,799,000	6,608,000	5,798,000	3,516,000	3,875,000	1,577,000	1,872,000	5,536,000	5,949,000	690,000	875,000	9,991,000	12,430,000	0	0
Reductions to contingent consideration liability																							$ 3,800,000