XML 42 R29.htm IDEA: XBRL DOCUMENT v3.8.0.1
Segment Information (Tables)
 6 Months Ended
Mar. 31, 2018
Segment Reporting [Abstract]  
Schedule of Segment Information
 
 
 
 
Reportable Segments
Three Months Ended March 31, 2018
 
Total
 
Gas Utility
 
Electric Utility
Revenues
 
$
483,261

 
$
455,973

 
$
27,288

Cost of sales — gas, fuel and purchased power
 
$
257,302

 
$
241,031

 
$
16,271

Depreciation and amortization
 
$
21,158

 
$
19,776

 
$
1,382

Operating income
 
$
135,127

 
$
134,175

 
$
952

Interest expense
 
$
11,091

 
$
10,866

 
$
225

Income before income taxes
 
$
124,036

 
$
123,309

 
$
727

Capital expenditures (including the effects of accruals)
 
$
55,089

 
$
51,363

 
$
3,726

 
 
 
 
Reportable Segments
Three Months Ended March 31, 2017
 
Total
 
Gas Utility
 
Electric Utility
Revenues
 
$
359,940

 
$
335,864

 
$
24,076

Cost of sales — gas, fuel and purchased power
 
$
164,541

 
$
150,863

 
$
13,678

Depreciation and amortization
 
$
17,699

 
$
16,378

 
$
1,321

Operating income
 
$
116,408

 
$
115,105

 
$
1,303

Interest expense
 
$
10,322

 
$
9,833

 
$
489

Income before income taxes
 
$
106,086

 
$
105,272

 
$
814

Capital expenditures (including the effects of accruals)
 
$
56,517

 
$
54,137

 
$
2,380



 
 
 
 
Reportable Segments
Six Months Ended March 31, 2018
 
Total
 
Gas Utility
 
Electric Utility
Revenues
 
$
806,366

 
$
755,938

 
$
50,428

Cost of sales — gas, fuel and purchased power
 
$
409,076

 
$
379,889

 
$
29,187

Depreciation and amortization
 
$
41,512

 
$
38,776

 
$
2,736

Operating income
 
$
231,422

 
$
227,856

 
$
3,566

Interest expense
 
$
22,030

 
$
21,392

 
$
638

Income before income taxes
 
$
209,392

 
$
206,464

 
$
2,928

Capital expenditures (including the effects of accruals)
 
$
126,788

 
$
120,205

 
$
6,583

 
 
 
 
 
 
 
As of March 31, 2018
 
 
 
 
 
 
Total assets
 
$
3,204,045

 
$
3,033,352

 
$
170,693

Goodwill
 
$
182,145

 
$
182,145

 
$
—

 
 
 
 
Reportable Segments
Six Months Ended March 31, 2017
 
Total
 
Gas Utility
 
Electric Utility
Revenues
 
$
621,353

 
$
572,964

 
$
48,389

Cost of sales — gas, fuel and purchased power
 
$
274,012

 
$
246,430

 
$
27,582

Depreciation and amortization
 
$
35,090

 
$
32,533

 
$
2,557

Operating income
 
$
198,644

 
$
194,072

 
$
4,572

Interest expense
 
$
20,350

 
$
19,416

 
$
934

Income before income taxes
 
$
178,294

 
$
174,656

 
$
3,638

Capital expenditures (including the effects of accruals)
 
$
120,613

 
$
115,879

 
$
4,734

 
 
 
 
 
 
 
As of March 31, 2017
 
 
 
 
 
 
Total assets
 
$
2,909,725

 
$
2,746,144

 
$
163,581

Goodwill
 
$
182,145

 
$
182,145

 
$
—