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Commitments and Contingencies (Polyester Staple Antitrust Litigation Narrative) (Details) (Polyester Staple Antitrust Litigation [Member])
Jun. 30, 2011
Sep. 30, 2006
Polyester Staple Antitrust Litigation [Member]
  
Loss Contingencies [Line Items]  
Number of legal actions 2
Number of tolling arrangements4 
Number of legal actions participants1