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FAIR VALUE MEASUREMENTS
12 Months Ended
Oct. 31, 2011
FAIR VALUE MEASUREMENTS  
FAIR VALUE MEASUREMENTS

4. FAIR VALUE MEASUREMENTS

 

The following table provides information on those assets and liabilities measured at fair value on a recurring basis.

 

 

 

Fair Value as of

 

Fair Value Measurement Using

 

 

 

October 31, 2010

 

Level 1

 

Level 2

 

Level 3

 

 

 

 

 

 

 

 

 

 

 

Commodity derivative instruments

 

$

(101,388

)

$

(101,388

)

$

 

$

 

 

The fair value of the derivative instruments is based on quoted market prices in an active market.