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Goodwill and Other Intangible Assets (Intangible Assets) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Schedule of Finite-Lived and Indefinite-Lived Assets [Line Items]      
Intangible assets, gross carrying amount $ 582,556 $ 566,288  
Intangible assets, accumulated amortization (167,616) (146,739)  
Amortization of Intangible Assets 21,300 20,000 $ 12,600
Future amortization expense [Abstract]      
2018 23,117    
2019 22,825    
2020 22,838    
2021 21,730    
2022 20,413    
Trademarks and Trade Names [Member]      
Schedule of Finite-Lived and Indefinite-Lived Assets [Line Items]      
Unamortized intangible assets, gross carrying amount 86,544 86,544  
Customer Relationships [Member]      
Schedule of Finite-Lived and Indefinite-Lived Assets [Line Items]      
Amortized intangible assets, gross carrying amount 214,685 213,259  
Intangible assets, accumulated amortization (86,137) (75,164)  
Promotional, Marketing and Distribution Rights [Member]      
Schedule of Finite-Lived and Indefinite-Lived Assets [Line Items]      
Amortized intangible assets, gross carrying amount 149,376 149,376  
Intangible assets, accumulated amortization $ (36,000) (30,000)  
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life 25 years    
Patents and Other Intangible Assets [Member]      
Schedule of Finite-Lived and Indefinite-Lived Assets [Line Items]      
Amortized intangible assets, gross carrying amount $ 69,668 67,509  
Intangible assets, accumulated amortization (42,127) (40,335)  
Technology-Based Intangible Assets [Member]      
Schedule of Finite-Lived and Indefinite-Lived Assets [Line Items]      
Amortized intangible assets, gross carrying amount 62,283 49,600  
Intangible assets, accumulated amortization (3,352) (1,240)  
Finite-lived Intangible Assets Acquired $ 12,700    
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life 15 years    
Expense [Member]      
Future amortization expense [Abstract]      
2018 $ 17,117    
2019 16,825    
2020 16,838    
2021 15,730    
2022 14,413    
Reduction of Revenue [Member]      
Future amortization expense [Abstract]      
2018 6,000    
2019 6,000    
2020 6,000    
2021 6,000    
2022 $ 6,000    
SurgiQuestInc [Member]      
Schedule of Finite-Lived and Indefinite-Lived Assets [Line Items]      
Finite-lived Intangible Assets Acquired   $ 130,800  
Weighted Average [Member]      
Schedule of Finite-Lived and Indefinite-Lived Assets [Line Items]      
Finite-Lived Intangible Asset, Useful Life 25 years    
Weighted Average [Member] | Customer Relationships [Member]      
Schedule of Finite-Lived and Indefinite-Lived Assets [Line Items]      
Finite-Lived Intangible Asset, Useful Life 29 years    
Weighted Average [Member] | Promotional, Marketing and Distribution Rights [Member]      
Schedule of Finite-Lived and Indefinite-Lived Assets [Line Items]      
Finite-Lived Intangible Asset, Useful Life 25 years    
Weighted Average [Member] | Patents and Other Intangible Assets [Member]      
Schedule of Finite-Lived and Indefinite-Lived Assets [Line Items]      
Finite-Lived Intangible Asset, Useful Life 14 years    
Weighted Average [Member] | Technology-Based Intangible Assets [Member]      
Schedule of Finite-Lived and Indefinite-Lived Assets [Line Items]      
Finite-Lived Intangible Asset, Useful Life 17 years