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FAIR VALUE (Tables)
3 Months Ended
Dec. 31, 2012
Fair Value Disclosures [Abstract]  
Fair Value, by Balance Sheet Grouping
The estimated fair value of long-term debt, including current maturities and excluding capital leases, is as follows:
(Thousands)
December 31,
2012
September 30,
2012
Carrying value
$
479,845

$
479,845

Fair market value
$
527,371

$
530,056

Schedule of Fair Value Assets and Liabilities Measured on Recurring Basis
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 December 31, 2012:
 
 
 
 
 
 
 
 
 
 
Assets:
 
 
 
 
 
 
 
 
 
 
Physical forward commodity contracts
 
$

 
 
$
13,500

 
 
$

 
$
13,500

Financial derivative contracts - natural gas
 
32,192

 
 
201

 
 

 
32,393

Financial derivative contracts - foreign exchange
 

 
 
128

 
 

 
128

Available for sale equity securities - energy industry (1)
 
10,469

 
 

 
 

 
10,469

Other (2)
 
211

 
 

 
 

 
211

Total assets at fair value
 
$
42,872

 
 
$
13,829

 
 
$

 
$
56,701

Liabilities:
 
 
 
 
 
 
 
 
 
 
Physical forward commodity contracts
 
$

 
 
$
10,450

 
 
$

 
$
10,450

Financial derivative contracts - natural gas
 
13,175

 
 
664

 
 

 
13,839

Financial derivative contracts - foreign exchange
 

 
 
71

 
 

 
71

Other
 

 
 

 
 

 

Total liabilities at fair value
 
$
13,175

 
 
$
11,185

 
 
$

 
$
24,360

 
 
 
 
 
 
 
 
 
 
 
As of September 30, 2012:
 
 
 
 
 
 
 
 
 
 
Assets:
 
 
 
 
 
 
 
 
 
 
Physical forward commodity contracts
 
$

 
 
$
20,248

 
 
$

 
$
20,248

Financial derivative contracts - natural gas
 
14,270

 
 
15,645

 
 

 
29,915

Financial derivative contracts - foreign exchange
 

 
 
186

 
 

 
186

Available for sale equity securities - energy industry (1)
 
11,009

 
 

 
 

 
11,009

Other (2)
 
30

 
 

 
 

 
30

Total assets at fair value
 
$
25,309

 
 
$
36,079

 
 
$

 
$
61,388

Liabilities:
 
 
 
 
 
 
 
 
 
 
Physical forward commodity contracts
 
$

 
 
$
9,746

 
 
$

 
$
9,746

Financial derivative contracts - natural gas
 
16,922

 
 
18,793

 
 

 
35,715

Financial derivative contracts - foreign exchange
 

 
 
112

 
 

 
112

Other
 

 
 

 
 

 

Total liabilities at fair value
 
$
16,922

 
 
$
28,651

 
 
$

 
$
45,573


(1)
Included in Other noncurrent assets on the Unaudited Condensed Consolidated Balance Sheets.
(2)
Includes various money market funds.

Fair Value Level 2 To Level 1 Transfers
A summary of transfers between Level 1 and Level 2 is as follows:
(Thousands)

Transfers out of Level 2 into Level 1
December 31, 2012
Assets:
 
Financial derivative contracts - natural gas
$
19,564

Liabilities:
 
Financial derivative contracts - natural gas
(8,766
)
Total
$
10,798