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Organization and Basis of Presentation (Acquisitions) (Details) - USD ($)
$ in Thousands
Aug. 17, 2018
May 02, 2018
Apr. 28, 2019
Jan. 27, 2019
Business Acquisition [Line Items]        
Goodwill     $ 351,141 $ 351,141
Trackio International AG [Member]        
Business Acquisition [Line Items]        
Purchase price $ 8,500      
Goodwill 4,300      
Intangibles acquired 3,000      
Tangible assets acquired $ 300      
IC Interconnect, Inc. [Member]        
Business Acquisition [Line Items]        
Goodwill   $ 4,900    
Cash paid to to acquire business   7,400    
Intangibles acquired   $ 2,500