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Short-Term Debt, Long-Term Debt and Convertible Notes (Tables)
9 Months Ended
Sep. 30, 2012
Debt Disclosure [Abstract]  
Schedule of Debt [Table Text Block]

Debt consists of:

 

    September 30,     December 31,  
    2012     2011  
             
Revolving credit facility   $ 124,520     $ 38,032  
11% Senior Notes due 2016     345,000       345,000  
Original issue discount     (549 )     (561 )
Notes payable and other bank loans     1,426       1,266  
      470,397       383,737  
Obligations under capital leases     1,254       1,437  
      471,651       385,174  
                 
Current portion     1,871       1,238  
Long term portion   $ 469,780     $ 383,936