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OTHER LONG-TERM LIABILITIES (Tables)
12 Months Ended
Dec. 31, 2012
OTHER LONG-TERM LIABILITIES [Abstract]  
Schedule of Other Assets and Other Liabilities [Table Text Block]
Other long-term liabilities at December 31, 2012 and 2011, consisted of the following (amounts in thousands):
 
2012
 
2011
Accrued pension liabilities
$
61,477

 
$
43,400

Accrued employment liabilities
18,276

 
14,656

Income tax liabilities
13,779

 

Derivative financial instruments
5,784

 

Supply agreement liability

 
19,470

Other
7,780

 
3,543

 
$
107,096

 
$
81,069