Quarterly report pursuant to Section 13 or 15(d)

Financial Instruments (Tables)

v2.4.0.6
Financial Instruments (Tables)
9 Months Ended
Sep. 30, 2012
Financial Instruments [Abstract]  
Fair Value, by Balance Sheet Grouping [Table Text Block]
      September 30,   December 31,
      2012   2011
      Carrying Amount   Fair Value   Carrying Amount   Fair Value
  Current and long-term debt and capital lease obligations $ 948,722   999,411   947,326   942,895
  Other liabilities   25,705   24,928   24,456   23,627
Fair Value Assets And Liabilities Measured On Recurring Basis [Table Text Block]
      Fair Value Measurement at Reporting Date Using
  September 30, 2012 Assets   Quoted Prices in Active Markets for Identical Assets (Level 1)   Significant Other Observable Inputs (Level 2)   Significant Unobservable Inputs (Level 3)
  Deferred compensation plan assets (mutual funds) $ 1,728   -   -
  Total assets at fair value $ 1,728   -   -
               
  December 31, 2011 Assets            
  Deferred compensation plan assets (mutual funds) $ 1,600   -   -
  Total assets at fair value $ 1,600   -   -