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Short And Long-Term Debt (Summary Of Short And Long-Term Debt) (Details) - USD ($)
$ in Thousands
Sep. 30, 2016
Dec. 31, 2015
Debt Instrument [Line Items]    
Total Debt $ 8,864 $ 9,837
Less: Current maturities (2,002) (1,908)
Total long-term debt 6,862 7,929
Domestic Asset-Based Revolving Credit Facility [Member]    
Debt Instrument [Line Items]    
Total Debt 2,213 4,674
Foreign Overdraft And Letter Of Credit Facility [Member]    
Debt Instrument [Line Items]    
Total Debt 1,248 913
Domestic Term-Loan [Member]    
Debt Instrument [Line Items]    
Total Debt 5,500 $ 4,250
Unamortized Finance Costs [Member]    
Debt Instrument [Line Items]    
Unamortized finance costs $ (97)