Quarterly report pursuant to Section 13 or 15(d)

Fair Value Of Measurements (Schedule Of Assets And Liabilities Measured On A Recurring Basis) (Details)

v3.19.1
Fair Value Of Measurements (Schedule Of Assets And Liabilities Measured On A Recurring Basis) (Details) - USD ($)
$ in Thousands
Mar. 31, 2019
Dec. 31, 2018
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Forward exchange contract, asset, fair value $ 667 $ 729
Forward exchange contract, liability, fair value   5
Assets fair value 667 729
Liabilities fair value   5
Level 1 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Forward exchange contract, asset, fair value
Forward exchange contract, liability, fair value  
Assets fair value
Liabilities fair value  
Level 2 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Forward exchange contract, asset, fair value 667 729
Forward exchange contract, liability, fair value   5
Assets fair value 667 729
Liabilities fair value   5
Level 3 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Forward exchange contract, asset, fair value
Forward exchange contract, liability, fair value  
Assets fair value
Liabilities fair value