Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt (Components Of Long-Term Debt) (Details)

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Long-Term Debt (Components Of Long-Term Debt) (Details) - USD ($)
$ in Thousands
May. 28, 2010
Jun. 30, 2015
Dec. 31, 2014
Line Of Credit Facility And Long Term Debt [Line Items]      
5% Senior Subordinated Notes due 2017 (refer to Note 16)   $ 19,233 $ 18,491
Term note   123 102
Total carrying amount of long-term debt   21,988 22,437
Less current portion   (2,649) (3,875)
Long-term debt, net   19,339 18,562
Unsecured Subordinated Notes, interest rate 5.00%    
Revolving Credit Facility [Member]      
Line Of Credit Facility And Long Term Debt [Line Items]      
Credit facility   0  
Foreign Credit Facility [Member]      
Line Of Credit Facility And Long Term Debt [Line Items]      
Credit facility   $ 2,632 $ 3,844