Goodwill and Intangible Assets - Narrative (Details) (USD $)	12 Months Ended			3 Months Ended	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Sep. 30, 2013 Ostial Solutions, LLC	Dec. 31, 2013 Thomas Medical Products, Inc
Finite-Lived Intangible Assets [Line Items]
Goodwill, Period Increase (Decrease)					$ 381,000
Goodwill impairment charge	8,089,000
Accumulated impairment loss	8,344,000
Aggregate amortization expense	14,200,000	7,500,000	6,000,000
Intangible asset impairment charges	8,089,000	0	0	8,100,000
Contingent consideration benefit				$ 3,800,000