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Short And Long-Term Debt (Schedule Of Payments Due By Period) (Details) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Debt Instrument [Line Items]    
2016 $ 1,908  
2017 1,005  
2018 1,000  
2019 $ 5,924  
Thereafter  
Total Debt $ 9,837 $ 6,513
Domestic Credit Facility [Member]    
Debt Instrument [Line Items]    
2016  
2017  
2018  
2019 $ 4,674  
Thereafter  
Total Debt $ 4,674  
Domestic Term-Loan [Member]    
Debt Instrument [Line Items]    
2016 1,000  
2017 1,000  
2018 1,000  
2019 $ 1,250  
Thereafter  
Total Debt $ 4,250 1,750
Foreign Overdraft And Letter Of Credit Facility [Member]    
Debt Instrument [Line Items]    
2016 908  
2017 $ 5  
2018  
2019  
Thereafter  
Total Debt $ 913 $ 920