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Income Taxes (Tables)
9 Months Ended
Sep. 30, 2012
Income Taxes [Abstract]  
Tax years that remain subject to examination by major jurisdiction
         
    Open Tax Years

Jurisdiction

  Examinations not
yet initiated
  Examination in
progress

United States

       

Federal

  2009 - 2011   N/A

State

  2005 - 2011   2004, 2006, 2008, 2009

Canada (1)

  2007 - 2011   2007 - 2010

Germany (1)

  2007 - 2011   2008 - 2010

France

  2009 - 2011   N/A

United Kingdom

  2008 - 2011   N/A

Philippines

  2010 - 2011   2009 - 2010