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Goodwill and Intangible Assets (Schedule of Intangible Assets by Major Asset Class) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Finite-Lived Intangible Assets [Line Items]      
Weighted Average Life (in years) 10 years 7 months 24 days    
Gross Carrying Amount $ 1,505,231 $ 1,463,505  
Accumulated Amortization (948,072) (827,084)  
Goodwill $ 1,925,518 1,875,698 $ 1,887,963
Patent and license rights      
Finite-Lived Intangible Assets [Line Items]      
Weighted Average Life (in years) 10 years 7 months 10 days    
Gross Carrying Amount $ 373,609 338,175  
Accumulated Amortization $ (233,406) (205,880)  
Developed technology      
Finite-Lived Intangible Assets [Line Items]      
Weighted Average Life (in years) 10 years 7 months 21 days    
Gross Carrying Amount $ 708,825 693,294  
Accumulated Amortization $ (469,312) (409,374)  
Customer base, trademarks, and non-compete agreements      
Finite-Lived Intangible Assets [Line Items]      
Weighted Average Life (in years) 10 years 8 months 16 days    
Gross Carrying Amount $ 422,797 432,036  
Accumulated Amortization $ (245,354) $ (211,830)