XML 45 R22.htm IDEA: XBRL DOCUMENT v3.8.0.1
Summary Of Significant Accounting Policies (Tables)
 12 Months Ended
Sep. 30, 2017
Accounting Policies [Abstract]  
Schedule Of Depreciable Plant By Segment
The following is a summary of depreciable plant by segment:
 
As of September 30
 
2017
 
2016
 
(Thousands)
Exploration and Production
$
4,925,409

 
$
4,645,226

Pipeline and Storage
2,002,736

 
1,956,708

Gathering
484,768

 
454,343

Utility
2,045,074

 
1,998,605

Energy Marketing
3,564

 
3,528

All Other and Corporate
109,128

 
109,455

 
$
9,570,679

 
$
9,167,865
Average Depreciation Depletion And Amortization Rates
Average depreciation, depletion and amortization rates are as follows:
 
Year Ended September 30
 
2017
 
2016
 
2015
Exploration and Production, per Mcfe(1)
$
0.65

 
$
0.87

 
$
1.52

Pipeline and Storage
2.2
%
 
2.4
%
 
2.4
%
Gathering
3.4
%
 
4.0
%
 
4.0
%
Utility
2.8
%
 
2.7
%
 
2.6
%
Energy Marketing
7.9
%
 
7.9
%
 
6.1
%
All Other and Corporate
1.3
%
 
1.8
%
 
1.4
%
 
(1)
Amounts include depletion of oil and gas producing properties as well as depreciation of fixed assets. As disclosed in Note M — Supplementary Information for Oil and Gas Producing Activities, depletion of oil and gas producing properties amounted to $0.63, $0.85 and $1.49 per Mcfe of production in 2017, 2016 and 2015, respectively.
Components Of Accumulated Other Comprehensive Income (Loss)
The components of Accumulated Other Comprehensive Income (Loss) and changes for the year ended September 30, 2017, net of related tax effect, are as follows (amounts in parentheses indicate debits) (in thousands):
 
Gains and Losses on Derivative Financial Instruments
 
Gains and Losses on Securities Available for Sale
 
Funded Status of the Pension and Other Post-Retirement Benefit Plans
 
Total
Year Ended September 30, 2017
 
 
 
 
 
 
 
Balance at October 1, 2016
$
64,782

 
$
6,054

 
$
(76,476
)
 
$
(5,640
)
Other Comprehensive Gains and Losses Before Reclassifications
3,338

 
2,503

 
9,486

 
15,327

Amounts Reclassified From Other Comprehensive Loss
(47,319
)
 
(995
)
 
8,504

 
(39,810
)
Balance at September 30, 2017
$
20,801

 
$
7,562

 
$
(58,486
)
 
$
(30,123
)
 
 
 
 
 
 
 
 
Year Ended September 30, 2016
 
 
 
 
 
 
 
Balance at October 1, 2015
$
157,197

 
$
5,969

 
$
(69,794
)
 
$
93,372

Other Comprehensive Gains and Losses Before Reclassifications
41,845

 
932

 
(13,027
)
 
29,750

Amounts Reclassified From Other Comprehensive Loss
(134,260
)
 
(847
)
 
6,345

 
(128,762
)
Balance at September 30, 2016
$
64,782

 
$
6,054

 
$
(76,476
)
 
$
(5,640
)
Schedule Of Reclassifications Out Of Accumulated Other Comprehensive Income (Loss)
The details about the reclassification adjustments out of accumulated other comprehensive loss for the year ended September 30, 2017 are as follows (amounts in parentheses indicate debits to the income statement) (in thousands):
Details About Accumulated Other
Comprehensive Income (Loss) Components
 
Amount of Gain or (Loss) Reclassified from Accumulated Other Comprehensive Income (Loss) for the
Year Ended
September 30,
 
Affected Line Item in the Statement Where Net Income (Loss) is Presented
 
 
2017
 
2016
 
 
Gains (Losses) on Derivative Financial Instrument Cash Flow Hedges:
 
 
 
 
 
 
Commodity Contracts
 

$83,983

 

$216,823

 
Operating Revenues
Commodity Contracts
 
(1,921
)
 
4,520

 
Purchased Gas
Foreign Currency Contracts
 
(457
)
 
(424
)
 
Operation and Maintenance Expense
Gains (Losses) on Securities Available for Sale
 
1,575

 
1,374

 
Other Income
Amortization of Prior Year Funded Status of the Pension and Other Post-Retirement Benefit Plans:
 
 
 
 
 
 
Prior Service Credit
 
(288
)
 
(333
)
 
(1)
Net Actuarial Loss
 
(13,145
)
 
(9,735
)
 
(1)
 
 
69,747

 
212,225

 
Total Before Income Tax
 
 
(29,937
)
 
(83,463
)
 
Income Tax Expense
 
 

$39,810

 

$128,762

 
Net of Tax
 
(1)
These accumulated other comprehensive income (loss) components are included in the computation of net periodic benefit cost. Refer to Note H — Retirement Plan and Other Post-Retirement Benefits for additional details.
Schedule Of Other Current Assets
The components of the Company’s Other Current Assets are as follows: 
 
Year Ended September 30
 
2017
 
2016
 
(Thousands)
Prepayments
$
10,927

 
$
10,919

Prepaid Property and Other Taxes
13,974

 
13,138

Federal Income Taxes Receivable
—

 
11,758

State Income Taxes Receivable
9,689

 
3,961

Fair Values of Firm Commitments
1,031

 
3,962

Regulatory Assets
15,884

 
15,616

 
$
51,505

 
$
59,354
Schedule of Other Accruals And Current Liabilities
The components of the Company’s Other Accruals and Current Liabilities are as follows:
 
Year Ended September 30
 
2017
 
2016
 
(Thousands)
Accrued Capital Expenditures
$
37,382

 
$
26,796

Regulatory Liabilities
34,059

 
14,725

Federal Income Taxes Payable
1,775

 
—

Other
38,673

 
32,909

 
$
111,889

 
$
74,430