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Selected Quarterly Financial Data (Table)
 12 Months Ended
Sep. 30, 2017
Quarterly Financial Information Disclosure [Abstract]  
Schedule of Quarterly Financial Information
Summarized unaudited quarterly financial data is presented below. The sum of net income per share by quarter may not equal the net income per share for the fiscal year due to variations in the weighted average shares outstanding used in computing such amounts. Our businesses are seasonal due to weather conditions in our service areas. For further information on its effects on quarterly results, see the “Results of Operations” discussion included in the “Management’s Discussion and Analysis of Financial Condition and Results of Operations” section herein.
 
Quarter Ended
 
December 31
 
March 31
 
June 30
 
September 30
 
(In thousands, except per share data)
Fiscal year 2017:
 
 
 
 
 
 
 
Operating revenues
 
 
 
 
 
 
 
Distribution
$
754,656

 
$
962,541

 
$
494,060

 
$
437,918

Pipeline and storage
109,952

 
111,972

 
117,283

 
117,823

Intersegment eliminations
(84,440
)
 
(86,327
)
 
(84,842
)
 
(90,861
)
Total operating revenues
780,168

 
988,186

 
526,501

 
464,880

 
 
 
 
 
 
 
 
Purchased gas cost
311,305

 
427,494

 
114,176

 
72,561

Operating income
209,918

 
285,172

 
140,664

 
91,792

Income from continuing operations
114,038

 
162,012

 
70,808

 
35,853

Income from discontinued operations
10,994

 
—

 
—

 
—

Gain on sale of discontinued operations
—

 
2,716

 
—

 
—

Net income
125,032

 
164,728

 
70,808

 
35,853

Basic and diluted earnings per share
 
 
 
 
 
 
 
Income per share from continuing operations
$
1.08

 
$
1.52

 
$
0.67

 
$
0.34

Income per share from discontinued operations
0.11

 
0.03

 
—

 
—

Net income per share — basic and diluted
$
1.19

 
$
1.55

 
$
0.67

 
$
0.34


 
Quarter Ended
 
December 31
 
March 31
 
June 30
 
September 30
 
(In thousands, except per share data)
Fiscal year 2016:
 
 
 
 
 
 
 
Operating revenues
 
 
 
 
 
 
 
Distribution
$
649,443

 
$
862,127

 
$
424,905

 
$
403,303

Pipeline and storage
98,416

 
102,153

 
113,855

 
112,772

Intersegment eliminations
(73,106
)
 
(74,240
)
 
(82,548
)
 
(82,432
)
Total operating revenues from continuing operations
674,753

 
890,040

 
456,212

 
433,643

Operating revenues from discontinued operations (1)
231,468

 
242,253

 
176,704

 
244,876

 
 
 
 
 
 
 
 
Purchased gas cost from continuing operations
240,326

 
377,356

 
64,583

 
63,927

Purchased gas cost from discontinued operations (1)
221,999

 
236,993

 
160,889

 
238,448

Operating income from continuing operations
192,729

 
251,656

 
128,396

 
84,449

Operating income (loss) from discontinued operations
3,476

 
(1,640
)
 
8,768

 
184

Income from continuing operations
101,546

 
143,003

 
66,143

 
34,850

Income (loss) from discontinued operations
1,315

 
(1,193
)
 
5,050

 
(610
)
Net Income
102,861

 
141,810

 
71,193

 
34,240

Basic and diluted earnings per share
 
 
 
 
 
 
 
Income per share from continuing operations
$
0.99

 
$
1.39

 
$
0.64

 
$
0.33

Income (loss) per share from discontinued operations
$
0.01

 
$
(0.01
)
 
$
0.05

 
$
—

Net income per share — basic and diluted
$
1.00

 
$
1.38

 
$
0.69

 
$
0.33



(1)
Operating revenues and purchased gas cost from discontinued operations are shown net of intersegment eliminations.