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Accumulated Other Comprehensive Income ("AOCI") (Tables)
 3 Months Ended
Mar. 31, 2013
Accumulated Other Comprehensive Income ("AOCI") [Abstract]  
Total changes in AOCI by component, net of tax
                         
    Three Months Ended March 31, 2013  
    Defined benefit
pension plan
activity		     Currency
Translation
Adjustment		     Total  

Balance at January 1, 2013

   $ (6,324 )    $ (7,340 )    $ (13,664 ) 

Other comprehensive income before reclassifications

     0       420       420  

Amounts reclassified from AOCI:

                        

Amortization of defined benefit pension actuarial loss (a)

     77       0       77  
   

 

 

    

 

 

    

 

 

  

Net current period other comprehensive income

     77       420       497  
   

 

 

    

 

 

    

 

 

  

Balance at March 31, 2013

   $ (6,247 )    $ (6,920 )    $ (13,167 )