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Accrued Liabilities
12 Months Ended
Dec. 31, 2011
Accrued Liabilities [Abstract]  
Accrued Liabilities
Accrued Liabilities
 
Accrued liabilities at December 31 consisted of:
 
 
2011
 
2010
Payroll and other compensation
 
$
41,070

 
$
38,530

Pension and other postretirement benefits
 
8,405

 
8,401

Other
 
42,775

 
39,671

 
 
$
92,250

 
$
86,602