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Business Acquisitions (Schedule Of Allocation Of Purchase Price) (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Aug. 06, 2018
Dec. 31, 2017
Business Acquisition [Line Items]        
Goodwill $ 80,721 $ 80,721   $ 64,314
Meural        
Business Acquisition [Line Items]        
Cash and cash equivalents     $ 20  
Accounts receivable     209  
Inventories     760  
Prepaid expenses and other current assets     500  
Property and equipment     16  
Intangibles     4,800  
Non-current deferred income taxes     815  
Goodwill     16,407  
Accounts payable     (1,317)  
Other accrued liabilities     (35)  
Total     $ 22,175