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FAIR VALUE (Tables)
9 Months Ended
Jun. 30, 2011
Fair Value Disclosures [Abstract]  
Fair Value, by Balance Sheet Grouping [Text Block]
The estimated fair value of long-term debt, including current maturities, is based on quoted market prices for similar issues and is as follows:
(Thousands)
June 30, 2011
September 30, 2010
Carrying value
$
440,424


$
460,182


Fair market value
$
466,497


$
495,035


Schedule of Fair Value Assets and Liabilities Measured on Recurring Basis [Text Block]
Assets and liabilities measured at fair value on a recurring basis are summarized as follows:
 
Quoted Prices in Active Markets for Identical Assets
Significant Other Observable Inputs
Significant
Unobservable
Inputs
 
(Thousands)
(Level 1)
(Level 2)
(Level 3)
Total
As of June 30, 2011:
 
 
 
 
 
 
 
 
 
 
Assets:
 
 
 
 
 
 
 
 
 
 
Physical forward commodity contracts
 
$


 
 
$
23,173


 
 
$


 
$
23,173


Financial derivative contracts - natural gas
 
7,208


 
 
33,529


 
 


 
40,737


Financial commodity contracts - foreign exchange
 


 
 
189


 
 


 
189


Available for sale equity securities - energy industry (1)
 
11,296


 
 


 
 


 
11,296


Other
 
28,685


 
 


 
 


 
28,685


Total assets at fair value
 
$
47,189


 
 
$
56,891


 
 
$


 
$
104,080


 
 
 
 
 
 
 
 
 
 
 
Liabilities:
 
 
 
 
 
 
 
 
 
 
Physical forward commodity contracts
 
$


 
 
$
6,208


 
 
$


 
$
6,208


Financial commodity contracts - natural gas
 
19,119


 
 
23,840


 
 


 
42,959


Other
 
647


 
 


 
 


 
647


Total liabilities at fair value
 
$
19,766


 
 
$
30,048


 
 
$


 
$
49,814


 
 
 
 
 
 
 
 
 
 
 
As of September 30, 2010:
 
 
 
 
 
 
 
 
 
 
Assets:
 
 
 
 
 
 
 
 
 
 
Physical forward commodity contracts
 
$


 
 
$
24,048


 
 
$


 
$
24,048


Financial derivative contracts - natural gas
 
58,824


 
 
60,246


 
 


 
119,070


Financial commodity contracts - foreign exchange
 


 
 
25


 
 


 
25


Available for sale equity securities - energy industry (1)
 
10,290


 
 


 
 


 
10,290


Other
 
947


 
 


 
 


 
947


Total assets at fair value
 
$
70,061


 
 
$
84,319


 
 
$


 
$
154,380


 
 
 
 
 
 
 
 
 
 
 
Liabilities:
 
 
 
 
 
 
 
 
 
 
Physical forward commodity contracts
 
$


 
 
$
6,058


 
 
$


 
$
6,058


Financial derivative contracts - natural gas
 
38,497


 
 
39,532


 
 


 
78,029


Other
 
936


 
 


 
 


 
936


Total liabilities at fair value
 
$
39,433


 
 
$
45,590


 
 
$


 
$
85,023




(1)
Included in Investments in equity investees in the Unaudited Condensed Consolidated Balance Sheets.