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Financing Arrangements (Tables)
 3 Months Ended
Mar. 31, 2012
Schedule of Long-term Debt Instruments
    Mar 31, 2012     Dec 31, 2011  
    (in thousands)  
             
Senior secured revolving credit line   $ 307,200     $ 309,400  
Foreign loans     9,423       7,935  
Total debt   $ 316,623     $ 317,335  
                 
Less:  Current maturities of long-term debt     315,104       315,831  
                 
Long-term debt   $ 1,519     $ 1,504  
Carrying Value And Fair Value Of Long Term Debt, Disclosure

The carrying value and estimated aggregate fair value, a level 2 measurement, based primarily on market prices, of debt is as follows (in thousands):

 

    March 31, 2012     December 31, 2011  
    Carrying Value     Fair Value     Carrying Value     Fair Value  
Total debt   $ 316,623     $ 314,250     $ 317,335     $ 315,749  
Schedule of Interest Rate Derivatives

As of March 31, 2012 the company had the following interest rate swaps in effect:

 

  Fixed    
Notional Interest Effective Maturity
Amount Rate Date Date
       
$20,000,000 1.800% 11/23/09 11/23/12
   20,000,000  1.560% 03/11/10 12/11/12
   15,000,000  0.950% 08/06/10 12/06/12
   25,000,000  1.610% 02/23/11 02/24/14
   25,000,000  2.520% 02/23/11 02/23/16
   25,000,000  0.975% 07/18/11 07/18/14
   15,000,000  1.185% 09/12/11 09/12/16
   15,000,000  0.620% 09/12/11 09/11/14