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Business Acquisition Business Acquisition (Details) - USD ($)
$ in Thousands
3 Months Ended
Jan. 04, 2016
Mar. 31, 2017
Mar. 31, 2016
Business Acquisition [Line Items]      
Net sales   $ 186,567 $ 181,201
SurgiQuestInc [Member]      
Business Acquisition [Line Items]      
Business combination, consideration transferred $ 257,700    
Payments to acquire business $ 265,000    
Net sales     12,700
Pro Forma Information [Abstract]      
Net sales     181,201
Net income     6,323
Pro Forma [Member] | SurgiQuestInc [Member]      
Business Acquisition [Line Items]      
Business acquisition costs     $ 9,000