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Other Noncurrent Liabilities
 12 Months Ended
Dec. 31, 2012
Other Noncurrent Liabilities [Abstract]  
Other Noncurrent Liabilities

14. Other Noncurrent Liabilities

Other noncurrent liabilities consist of:

(in thousands)   2012   2011
             
Pension liabilities   $49,820     $105,425  
Postretirement benefits other than pensions   78,821     73,060  
Interest rate swap agreement   4,718     4,251  
Deferred compensation   2,087     2,234  
Other   566     626  
Total   $136,012     $185,596