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FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENT (Tables)
12 Months Ended
Sep. 30, 2012
FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENT  
Summary of available-for-sale securities

 

 

 
  Cost   Gross
Unrealized
Gains
  Gross
Unrealized
Losses
  Estimated
Fair Value
 
 
  (in thousands)
 

Equity Securities:

                         

September 30, 2012

  $ 129,183   $ 304,396   $   $ 433,579  

September 30, 2011

  $ 129,183   $ 203,486   $   $ 332,669  

        

Summary of assets measured at fair value on a recurring basis

 

 

 
  Total
Measured at
Fair Value
  Quoted Prices
in Active
Markets for
Identical
Assets
(Level 1)
  Significant
Other
Observable
Inputs
(Level 2)
  Significant
Unobservable
Inputs
(Level 3)
 
 
  (in thousands)
 

Assets:

                         

Cash and cash equivalents

  $ 96,095   $ 96,095   $   $  

Investments

    433,579     433,579          

Other current assets

    36,608     36,358     250      

Other assets

    2,000     2,000          
                   

Total assets measured at fair value

  $ 568,282   $ 568,032   $ 250   $  
                   

        

Summary of supplemental fair value information about long-term fixed-rate debt

 

 

 
  September 30,  
 
  2012   2011  
 
  (in thousands)
 

Carrying value of long-term fixed-rate debt

  $ 235.0   $ 350.0  

Fair value of long-term fixed-rate debt

  $ 252.7   $ 376.9