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Acquisitions (Details) - USD ($)
$ in Thousands
3 Months Ended
Feb. 18, 2020
Mar. 29, 2020
Dec. 31, 2019
Business Acquisition [Line Items]      
Goodwill   $ 2,332,414 $ 2,245,305
IWG High Performance Conductors, Inc.      
Business Acquisition [Line Items]      
Business combination, consideration transferred $ 260,000    
Goodwill 107,100    
Finite-lived intangible asset, useful life   20 years  
IWG High Performance Conductors, Inc. | Customer relationships      
Business Acquisition [Line Items]      
Business Combination, recognized identifiable assets acquired and liabilities assumed, finite-lived intangibles 139,000    
IWG High Performance Conductors, Inc. | Intellectual property      
Business Acquisition [Line Items]      
Business Combination, recognized identifiable assets acquired and liabilities assumed, finite-lived intangibles $ 40,000