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Other Noncurrent Liabilities
3 Months Ended
Mar. 31, 2012
Other Noncurrent Liabilities [Abstract]  
Other Noncurrent Liabilities

9. Other Noncurrent Liabilities

The components of noncurrent liabilities as of March 31, 2012 and December 31, 2011 were:

 

     March 31,
2012
     December 31,
2011
 
     (In thousands)  

Pension and retiree medical obligations

   $ 89,186       $ 91,542   

Liability for uncertain tax positions

     4,864         5,262   

Deferred revenue

     3,063         3,198   

Other

     15,207         15,844   
  

 

 

    

 

 

 

Total other noncurrent liabilities

   $ 112,320       $ 115,846