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Accumulated Other Comprehensive Income
 12 Months Ended
Sep. 30, 2013
Equity [Abstract]  
Accumulated Other Comprehensive Income
Accumulated Other Comprehensive Income
We record deferred gains (losses) in accumulated other comprehensive income (AOCI) related to available-for-sale securities, interest rate agreement cash flow hedges and commodity contract cash flow hedges. Deferred gains (losses) for our available-for-sale securities and commodity contract cash flow hedges are recognized in earnings upon settlement, while deferred gains (losses) related to our interest rate agreement cash flow hedges are recognized in earnings as they are amortized. The following table provides the components of our accumulated other comprehensive income (loss) balances, net of the related tax effects allocated to each component of other comprehensive income.
 
Available-
for-Sale
Securities
 
Interest
Rate
Agreement
Cash Flow
Hedges
 
Commodity
Contracts
Cash Flow
Hedges
 
Total
 
(In thousands)
September 30, 2012
$
5,661

 
$
(44,273
)
 
$
(8,995
)
 
$
(47,607
)
Other comprehensive income before reclassifications
1,162

 
79,963

 
(2,057
)
 
79,068

Amounts reclassified from accumulated other comprehensive income
(1,375
)
 
2,216

 
6,576

 
7,417

Net current-period other comprehensive income (loss)
(213
)
 
82,179

 
4,519

 
86,485

September 30, 2013
$
5,448

 
$
37,906

 
$
(4,476
)
 
$
38,878


 
The following table details reclassifications out of AOCI for the fiscal year ended September 30, 2013. Amounts in parentheses below indicate decreases to net income in the statement of income.
 
Fiscal Year Ended September 30, 2013
Accumulated Other Comprehensive Income Components
Amount Reclassified from
Accumulated Other
Comprehensive Income      
 
Affected Line Item in the
Statement of Income
 
(In thousands)
 
 
Available-for-sale securities
$
2,166

 
Operation and maintenance expense
 
2,166

 
Total before tax
 
(791
)
 
Tax expense
 
$
1,375

 
Net of tax
Cash flow hedges
 
 
 
Interest rate agreements
$
(3,489
)
 
Interest charges
Commodity contracts
(10,778
)
 
Purchased gas cost
 
(14,267
)
 
Total before tax
 
5,475

 
Tax benefit
 
$
(8,792
)
 
Net of tax
Total reclassifications
$
(7,417
)
 
Net of tax