Acquisitions (Narrative) (Details) (USD $)	3 Months Ended		9 Months Ended		0 Months Ended	3 Months Ended	9 Months Ended	12 Months Ended	0 Months Ended	12 Months Ended	0 Months Ended	1 Months Ended		12 Months Ended	0 Months Ended													1 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 19, 2012 Thomas Medical Products, Inc [Member]	Sep. 30, 2013 Thomas Medical Products, Inc [Member]	Sep. 30, 2013 Thomas Medical Products, Inc [Member]	Dec. 31, 2012 Thomas Medical Products, Inc [Member]	Nov. 19, 2012 MediGroup [Member]	Dec. 31, 2012 MediGroup [Member]	Jan. 31, 2012 Ostial Solutions, LLC [Member]	Aug. 31, 2012 Ostial Solutions, LLC [Member]	Jan. 31, 2012 Ostial Solutions, LLC [Member]	Dec. 31, 2012 Ostial Solutions, LLC [Member]	Dec. 19, 2012 Developed Technology Rights [Member] Thomas Medical Products, Inc [Member]	Nov. 19, 2012 Developed Technology Rights [Member] MediGroup [Member]	Jan. 31, 2012 Developed Technology Rights [Member] Ostial Solutions, LLC [Member]	Dec. 19, 2012 Customer Lists [Member] Thomas Medical Products, Inc [Member]	Nov. 19, 2012 Customer Lists [Member] MediGroup [Member]	Jan. 31, 2012 Customer Lists [Member] Ostial Solutions, LLC [Member]	Dec. 19, 2012 Noncompete Agreements [Member] Thomas Medical Products, Inc [Member]	Nov. 19, 2012 Noncompete Agreements [Member] MediGroup [Member]	Jan. 31, 2012 Noncompete Agreements [Member] Ostial Solutions, LLC [Member]	Dec. 19, 2012 Trademarks [Member] Thomas Medical Products, Inc [Member]	Nov. 19, 2012 Trademarks [Member] MediGroup [Member]	Jan. 31, 2012 Trademarks [Member] Ostial Solutions, LLC [Member]	Dec. 19, 2012 Credit Agreement [Member]	Jan. 31, 2013 Intellectual Property Rights [Member]	May 31, 2012 Intellectual Property Rights [Member]	Dec. 31, 2011 Intellectual Property Rights [Member]
Business Acquisition [Line Items]
Goodwill, Allocation Adjustment							$ 381,000
Payments to acquire businesses					167,000,000				4,000,000			6,500,000	10,000,000
Business combination, liabilities incurred					445,000
Pro forma information, revenue								1,900,000		169,000				457,000
Pro forma information, income before tax								51,000
Acquired receivables, gross contractual amount					6,500,000
Acquired receivables, estimated uncollectible					34,000
Useful life															8 years	8 years	15 years	12 years	8 years	8 years	3 years	7 years	5 years	15 years	15 years	15 years
Weighted-average amortization period					8 years 6 months 18 days				8 years 1 month 24 days		14 years 7 months 6 days
Payments of long-term debt issuance costs																											3,700,000
Acquisition-related costs						32,000	526,000	2,700,000
Contingent consideration, payment in 2013									150,000
Contingent consideration, payment in 2014									150,000
Contingent consideration, payment in 2015									150,000
Contingent consideration, potential payment in 2016									150,000
Contingent consideration, potential payment in 2017									150,000
Contingent consideration, potential payment in 2018									150,000
Contingent consideration, potential payment in 2019									150,000
Contingent consideration, potential payment in 2020									150,000
Contingent consideration, potential payment in 2021									150,000
Contingent consideration, potential payment in 2022									150,000
Contingent consideration, potential payment, annual increase in net sales, minimum percent									8.00%
Contingent consideration, liability									403,000		4,300,000		4,300,000
Contingent consideration, potential payment											13,500,000
Acquired in-process research and development	$ 0	$ 275,000	$ 0	$ 2,450,000																								$ 1,000,000	$ 1,000,000	$ 2,000,000