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Segment Information (Table)
9 Months Ended
Jun. 30, 2017
Segment Reporting [Abstract]  
Schedule of Segment Reporting Information, by Segment
Income statements for the three and nine months ended June 30, 2017 and 2016 by segment are presented in the following tables:
 
Three Months Ended June 30, 2017
 
Distribution
 
Pipeline and Storage
 
Natural Gas Marketing
 
Eliminations
 
Consolidated
 
(In thousands)
Operating revenues from external parties
$
493,738

 
$
32,763

 
$

 
$

 
$
526,501

Intersegment revenues
322

 
84,520

 

 
(84,842
)
 

Total operating revenues
494,060

 
117,283

 

 
(84,842
)
 
526,501

Purchased gas cost
197,767

 
1,251

 

 
(84,842
)
 
114,176

Operation and maintenance expense
99,631

 
29,059

 

 

 
128,690

Depreciation and amortization expense
62,760

 
17,263

 

 

 
80,023

Taxes, other than income
56,850

 
6,098

 

 

 
62,948

Operating income
77,052

 
63,612

 

 

 
140,664

Miscellaneous expense
(62
)
 
(227
)
 

 

 
(289
)
Interest charges
18,394

 
10,104

 

 

 
28,498

Income before income taxes
58,596

 
53,281

 

 

 
111,877

Income tax expense
22,082

 
18,987

 

 

 
41,069

Net income
$
36,514

 
$
34,294

 
$

 
$

 
$
70,808

Capital expenditures
$
205,780

 
$
46,983

 
$

 
$

 
$
252,763


 
Three Months Ended June 30, 2016
 
Distribution
 
Pipeline and Storage
 
Natural Gas Marketing
 
Eliminations
 
Consolidated
 
(In thousands)
Operating revenues from external parties
$
424,553

 
$
31,659

 
$

 
$

 
$
456,212

Intersegment revenues
352

 
82,196

 

 
(82,548
)
 

Total operating revenues
424,905

 
113,855

 

 
(82,548
)
 
456,212

Purchased gas cost
147,569

 
(438
)
 

 
(82,548
)
 
64,583

Operation and maintenance expense
101,819

 
29,569

 

 

 
131,388

Depreciation and amortization expense
59,193

 
13,687

 

 

 
72,880

Taxes, other than income
52,662

 
6,303

 

 

 
58,965

Operating income
63,662

 
64,734

 

 

 
128,396

Miscellaneous income (expense)
1,243

 
(125
)
 

 

 
1,118

Interest charges
18,677

 
9,002

 

 

 
27,679

Income from continuing operations before income taxes
46,228

 
55,607

 

 

 
101,835

Income tax expense
15,867

 
19,825

 

 

 
35,692

Income from continuing operations
30,361

 
35,782

 

 

 
66,143

Income from discontinued operations, net of tax

 

 
5,050

 

 
5,050

Net income
$
30,361

 
$
35,782

 
$
5,050

 
$

 
$
71,193

Capital expenditures
$
187,470

 
$
66,108

 
$
106

 
$

 
$
253,684



 
 
 
 
 
 
 
 
 
 
 
Nine Months Ended June 30, 2017
 
Distribution
 
Pipeline and Storage
 
Natural Gas Marketing
 
Eliminations
 
Consolidated
 
(In thousands)
Operating revenues from external parties
$
2,210,221

 
$
84,634

 
$

 
$

 
$
2,294,855

Intersegment revenues
1,036

 
254,573

 

 
(255,609
)
 

Total operating revenues
2,211,257

 
339,207

 

 
(255,609
)
 
2,294,855

Purchased gas cost
1,106,209

 
2,331

 

 
(255,565
)
 
852,975

Operation and maintenance expense
296,048

 
89,863

 

 
(44
)
 
385,867

Depreciation and amortization expense
185,219

 
49,429

 

 

 
234,648

Taxes, other than income
165,032

 
20,579

 

 

 
185,611

Operating income
458,749

 
177,005

 

 

 
635,754

Miscellaneous income (expense)
334

 
(784
)
 

 

 
(450
)
Interest charges
56,437

 
30,035

 

 

 
86,472

Income from continuing operations before income taxes
402,646

 
146,186

 

 

 
548,832

Income tax expense
149,623

 
52,351

 

 

 
201,974

Income from continuing operations
253,023

 
93,835

 

 

 
346,858

Income from discontinued operations, net of tax

 

 
10,994

 

 
10,994

Gain on sale of discontinued operations, net of tax

 

 
2,716

 

 
2,716

Net income
$
253,023

 
$
93,835

 
$
13,710

 
$

 
$
360,568

Capital expenditures
$
636,449

 
$
175,699

 
$

 
$

 
$
812,148


 
 
 
 
 
 
 
 
 
 
 
Nine Months Ended June 30, 2016
 
Distribution
 
Pipeline and Storage
 
Natural Gas Marketing
 
Eliminations
 
Consolidated
 
(In thousands)
Operating revenues from external parties
$
1,935,421

 
$
85,584

 
$

 
$

 
$
2,021,005

Intersegment revenues
1,054

 
228,840

 

 
(229,894
)
 

Total operating revenues
1,936,475

 
314,424

 

 
(229,894
)
 
2,021,005

Purchased gas cost
912,231

 
(72
)
 

 
(229,894
)
 
682,265

Operation and maintenance expense
294,154

 
84,919

 

 

 
379,073

Depreciation and amortization expense
174,748

 
40,179

 

 

 
214,927

Taxes, other than income
153,198

 
18,761

 

 

 
171,959

Operating income
402,144

 
170,637

 

 

 
572,781

Miscellaneous income (expense)
804

 
(894
)
 

 

 
(90
)
Interest charges
57,481

 
27,294

 

 

 
84,775

Income from continuing operations before income taxes
345,467

 
142,449

 

 

 
487,916

Income tax expense
126,090

 
51,134

 

 

 
177,224

Income from continuing operations
219,377

 
91,315

 

 

 
310,692

Income from discontinued operations, net of tax

 

 
5,172

 

 
5,172

Net income
$
219,377

 
$
91,315

 
$
5,172

 
$

 
$
315,864

Capital expenditures
$
528,063

 
$
261,446

 
$
179

 
$

 
$
789,688

 
Balance sheet information at June 30, 2017 and September 30, 2016 by segment is presented in the following tables:

 
June 30, 2017
 
Distribution
 
Pipeline and Storage
 
Natural Gas Marketing
 
Eliminations
 
Consolidated
 
(In thousands)
ASSETS
 
 
 
 
 
 
 
 
 
Property, plant and equipment, net
$
6,678,875

 
$
2,245,506

 
$

 
$

 
$
8,924,381

Investment in subsidiaries
798,994

 
13,851

 

 
(812,845
)
 

Current assets
 
 
 
 
 
 
 
 
 
Cash and cash equivalents
69,777

 

 

 

 
69,777

Other current assets
437,700

 
29,265

 

 
(2,360
)
 
464,605

Intercompany receivables
983,866

 

 

 
(983,866
)
 

Total current assets
1,491,343

 
29,265

 

 
(986,226
)
 
534,382

Goodwill
586,661

 
143,012

 

 

 
729,673

Deferred charges and other assets
280,240

 
30,099

 

 

 
310,339

 
$
9,836,113

 
$
2,461,733

 
$

 
$
(1,799,071
)
 
$
10,498,775

CAPITALIZATION AND LIABILITIES
 
 
 
 
 
 
 
 
 
Shareholders’ equity
$
3,901,710

 
$
812,845

 
$

 
$
(812,845
)
 
$
3,901,710

Long-term debt
3,066,734

 

 

 

 
3,066,734

Total capitalization
6,968,444

 
812,845

 

 
(812,845
)
 
6,968,444

Current liabilities
 
 
 
 
 
 
 
 
 
Short-term debt
258,573

 

 

 

 
258,573

Other current liabilities
451,026

 
38,420

 

 
(2,360
)
 
487,086

Intercompany payables

 
983,866

 

 
(983,866
)
 

Total current liabilities
709,599

 
1,022,286

 

 
(986,226
)
 
745,659

Deferred income taxes
1,251,528

 
602,036

 

 

 
1,853,564

Regulatory cost of removal obligation
432,531

 
24,529

 

 

 
457,060

Pension and postretirement liabilities
304,919

 

 

 

 
304,919

Deferred credits and other liabilities
169,092

 
37

 

 

 
169,129

 
$
9,836,113

 
$
2,461,733

 
$

 
$
(1,799,071
)
 
$
10,498,775




 
September 30, 2016
 
Distribution
 
Pipeline and Storage
 
Natural Gas Marketing
 
Eliminations
 
Consolidated
 
(In thousands)
ASSETS
 
 
 
 
 
 
 
 
 
Property, plant and equipment, net
$
6,208,465

 
$
2,060,141

 
$

 
$

 
$
8,268,606

Investment in subsidiaries
768,415

 
13,854

 

 
(782,269
)
 

Current assets
 
 
 
 
 
 
 
 
 
Cash and cash equivalents
22,117

 

 
25,417

 

 
47,534

Current assets of disposal group classified as held for sale

 

 
162,508

 
(11,391
)
 
151,117

Other current assets
489,963

 
39,078

 
5

 
(46,011
)
 
483,035

Intercompany receivables
971,665

 

 

 
(971,665
)
 

Total current assets
1,483,745

 
39,078

 
187,930

 
(1,029,067
)
 
681,686

Goodwill
583,950

 
143,012

 

 

 
726,962

Noncurrent assets of disposal group classified as held for sale

 

 
28,785

 
(169
)
 
28,616

Deferred charges and other assets
277,240

 
27,779

 

 

 
305,019

 
$
9,321,815

 
$
2,283,864

 
$
216,715

 
$
(1,811,505
)
 
$
10,010,889

CAPITALIZATION AND LIABILITIES
 
 
 
 
 
 
 
 
 
Shareholders’ equity
$
3,463,059

 
$
715,672

 
$
66,597

 
$
(782,269
)
 
$
3,463,059

Long-term debt
2,188,779

 

 

 

 
2,188,779

Total capitalization
5,651,838

 
715,672

 
66,597

 
(782,269
)
 
5,651,838

Current liabilities
 
 
 
 
 
 
 
 
 
Current maturities of long-term debt
250,000

 

 

 

 
250,000

Short-term debt
829,811

 

 
35,000

 
(35,000
)
 
829,811

Current liabilities of the disposal group classified as held for sale

 

 
81,908

 
(9,008
)
 
72,900

Other current liabilities
605,790

 
39,911

 
3,263

 
(13,394
)
 
635,570

Intercompany payables

 
957,526

 
14,139

 
(971,665
)
 

Total current liabilities
1,685,601

 
997,437

 
134,310

 
(1,029,067
)
 
1,788,281

Deferred income taxes
1,055,348

 
543,390

 
4,318

 

 
1,603,056

Regulatory cost of removal obligation
397,162

 
27,119

 

 

 
424,281

Pension and postretirement liabilities
297,743

 

 

 

 
297,743

Noncurrent liabilities of disposal group classified as held for sale

 

 
316

 

 
316

Deferred credits and other liabilities
234,123

 
246

 
11,174

 
(169
)
 
245,374

 
$
9,321,815

 
$
2,283,864

 
$
216,715

 
$
(1,811,505
)
 
$
10,010,889