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Long Term Debt (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2012
Dec. 31, 2011
Long-Term Debt    
Long-Term Debt $ 73,630 $ 79,460
Less current portion of long-term debt 4,781 4,935
Long-term debt due after one year 68,849 74,525
Working Capital Revolver Loan [Member]
   
Long-Term Debt    
Long-Term Debt      
Secured Term Loan [Member]
   
Long-Term Debt    
Long-Term Debt 69,375 72,188
Other long-term debt [Member]
   
Long-Term Debt    
Long-Term Debt $ 4,255 $ 7,272