Quarterly report pursuant to Section 13 or 15(d)

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

v2.4.0.6
Long-Term Debt (Components Of Long-Term Debt) (Details) (USD $)
0 Months Ended
May 28, 2010
Mar. 31, 2013
Dec. 31, 2012
Line Of Credit Facility And Long Term Debt [Line Items]      
5% Senior Subordinated Notes due 2017   $ 16,267,000 $ 15,992,000
Capital leases   88,000 119,000
Term note   10,475,000 382,000
Total carrying amount of long-term debt   41,493,000 40,488,000
Less current portion   (2,142,000) (4,059,000)
Long-term debt, net   39,351,000 36,429,000
Unsecured Subordinated Notes, interest rate 5.00%    
Revolving Credit Facility [Member]
     
Line Of Credit Facility And Long Term Debt [Line Items]      
Credit facility   13,374,000 20,000,000
Foreign Credit Facility [Member]
     
Line Of Credit Facility And Long Term Debt [Line Items]      
Credit facility   $ 1,289,000 $ 3,995,000