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DERIVATIVE FINANCIAL INSTRUMENTS (Summary Of Derivative Financial Instruments Notional Amounts On Outstanding Positions) (Details) - USD ($)
$ in Thousands
Jun. 30, 2020
Dec. 31, 2019
Derivatives - Fair Value [Line Items]    
Notional $ 0 $ 134,287
Fair Value 0 111
Euro    
Derivatives - Fair Value [Line Items]    
Notional 0 46,757
Fair Value 0 36
Singapore Dollar    
Derivatives - Fair Value [Line Items]    
Notional 0 31,255
Fair Value 0 344
Japanese Yen    
Derivatives - Fair Value [Line Items]    
Notional 0 11,823
Fair Value 0 63
South Korean Won    
Derivatives - Fair Value [Line Items]    
Notional 0 10,328
Fair Value 0 (82)
British Pound Sterling    
Derivatives - Fair Value [Line Items]    
Notional 0 9,155
Fair Value 0 (104)
Other currencies    
Derivatives - Fair Value [Line Items]    
Notional 0 24,969
Fair Value $ 0 $ (146)