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Accumulated Other Comprehensive Loss (Tables)
3 Months Ended
Mar. 31, 2013
Accumulated Other Comprehensive Loss [Abstract]  
Schedule of Accumulated Other Comprehensive Income (Loss)
The following summarizes the change in balance and the reclassification from Accumulated Other Comprehensive Loss to the Condensed Consolidated Statement of Income for the three months ended March 31, 2013 (amounts in thousands):

Beginning balance
 
$
(23,378
)
Amortization of defined benefit pension items:
       
Prior service costs
   
52
 
Actuarial loss
   
428
 
     
480
 
Tax
   
(182
)
Total amount reclassified from accumulated other comprehensive loss
   
298
 
Ending balance
 
$
(23,080
)