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Other Current Liabilities
 12 Months Ended
Dec. 31, 2011
Other Liabilities, Current [Abstract]  
Other Current Liabilities [Text Block]
Other Current Liabilities
Other current liabilities are as follows (in thousands):

 
2011
 
2010
Accrued interest expense                                                                        
$
24,547

 
$
25,089

Accrued customer rebates                                                                        
20,557

 
21,065

Restructuring liabilities                                                                        
6,241

 
6,786

Other accrued liabilities                                                                        
44,562

 
44,856

 
$
95,907

 
$
97,796