Quarterly report pursuant to Section 13 or 15(d)

Financial Instruments (Tables)

v2.4.0.8
Financial Instruments (Tables)
6 Months Ended
Jun. 30, 2013
Financial Instruments [Abstract]  
Fair Value, by Balance Sheet Grouping [Table Text Block]
      June 30,   December 31,
      2013   2012
      Carrying Amount   Fair Value   Carrying Amount   Fair Value
  Current and long-term debt and capital lease obligations $ 975,675   963,152   957,663   979,594
  Other liabilities $ 25,899   25,069   25,511   24,766
Fair Value Assets And Liabilities Measured On Recurring Basis [Table Text Block]
      Fair Value Measurement at Reporting Date Using
  June 30, 2013 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) $ 1,945   -   -
  Total assets at fair value $ 1,945   -   -
               
  December 31, 2012 Assets            
  Deferred compensation plan assets (mutual funds) $ 1,758   -   -
  Total assets at fair value $ 1,758   -   -