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Long-term Debt - Debt Table (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2012
Dec. 31, 2011
Dec. 29, 2009
Debt Instrument [Line Items]      
Debt $ 429,990 $ 469,900  
Current maturities, debt 17,950 7,290  
Long-term debt 412,040 462,610  
U.S. bank debt and receivables facility [Member]
     
Debt Instrument [Line Items]      
Debt 217,190 223,870  
Non-U.S. bank debt and other [Member]
     
Debt Instrument [Line Items]      
Debt 15,780 140  
Senior secured notes [Member]
     
Debt Instrument [Line Items]      
Debt $ 197,020 $ 245,890  
Debt Instrument, Interest Rate, Stated Percentage     9.75%