XML 34 R21.htm IDEA: XBRL DOCUMENT v3.7.0.1
REGULATORY MATTERS (Tables)
9 Months Ended
Jun. 30, 2017
Regulated Operations [Abstract]  
Schedule of regulatory assets
The following regulatory assets and regulatory liabilities, including purchased gas adjustments, were reflected in the balance sheets of the Company and the Utilities as of June 30, 2017, September 30, 2016 and June 30, 2016.
 
June 30,
 
September 30,
 
June 30,
Spire
2017
 
2016
 
2016
Regulatory Assets:
 
 
 
 
 
Current:
 
 
 
 
 
Pension and postretirement benefit costs
$
41.7

 
$
27.0

 
$
26.9

Unamortized purchased gas adjustments
73.9

 
49.7

 
5.4

Other
29.0

 
17.2

 
10.6

Total Regulatory Assets (current)
144.6

 
93.9

 
42.9

Non-current:
 
 
 
 
 
Future income taxes due from customers
166.6

 
151.3

 
146.4

Pension and postretirement benefit costs
453.4

 
487.9

 
434.4

Cost of removal
135.4

 
130.6

 
81.2

Unamortized purchased gas adjustments
13.9

 
12.6

 
14.7

Energy efficiency
27.8

 
25.5

 
24.4

Other
43.4

 
30.1

 
29.6

Total Regulatory Assets (non-current)
840.5

 
838.0

 
730.7

Total Regulatory Assets
$
985.1

 
$
931.9

 
$
773.6

Regulatory Liabilities:
 
 
 
 
 
Current:
 
 
 
 
 
Rate Stabilization and Equalization (RSE) adjustment
$
1.2

 
$
7.5

 
$
2.9

Unbilled service margin
6.0

 
5.9

 
6.4

Refundable negative salvage
8.2

 
9.3

 
9.3

Unamortized purchased gas adjustments
1.0

 
1.7

 

Other
9.5

 
6.2

 
3.8

Total Regulatory Liabilities (current)
25.9

 
30.6

 
22.4

Non-current:
 
 
 
 
 
Pension and postretirement benefit costs
27.0

 
28.9

 
27.2

Refundable negative salvage
4.1

 
9.4

 
9.3

Accrued cost of removal
74.6

 
74.8

 
55.4

Other
34.1

 
17.6

 
13.8

Total Regulatory Liabilities (non-current)
139.8

 
130.7

 
105.7

Total Regulatory Liabilities
$
165.7

 
$
161.3

 
$
128.1


 
June 30,
 
September 30,
 
June 30,
Laclede Gas
2017
 
2016
 
2016
Regulatory Assets:
 
 
 
 
 
Current:
 
 
 
 
 
Pension and postretirement benefit costs
$
34.9

 
$
20.2

 
$
20.2

Unamortized purchased gas adjustments
29.0

 
43.1

 
0.6

Other
3.3

 
3.7

 
3.5

Total Regulatory Assets (current)
67.2

 
67.0

 
24.3

Non-current:
 
 
 
 
 
Future income taxes due from customers
166.6

 
151.3

 
146.4

Pension and postretirement benefit costs
352.3

 
375.7

 
352.1

Unamortized purchased gas adjustments
13.9

 
12.6

 
14.7

Energy efficiency
27.8

 
25.5

 
24.4

Other
22.8

 
24.7

 
25.0

Total Regulatory Assets (non-current)
583.4

 
589.8

 
562.6

Total Regulatory Assets
$
650.6

 
$
656.8

 
$
586.9

Regulatory Liabilities:
 
 
 
 
 
Current:
 
 
 
 
 
Other
$
2.7

 
$
1.3

 
$
1.3

Total Regulatory Liabilities (current)
2.7

 
1.3

 
1.3

Non-current:
 
 
 
 
 
Accrued cost of removal
54.8

 
55.1

 
55.4

Other
28.8

 
12.2

 
10.3

Total Regulatory Liabilities (non-current)
83.6

 
67.3

 
65.7

Total Regulatory Liabilities
$
86.3

 
$
68.6

 
$
67.0

 
June 30,
 
September 30,
 
June 30,
Alagasco
2017
 
2016
 
2016
Regulatory Assets:
 
 
 
 
 
Current:
 
 
 
 
 
Pension and postretirement benefit costs
$
6.8

 
$
6.8

 
$
6.7

Unamortized purchased gas adjustments
44.9

 
5.6

 
4.8

Other
10.5

 
8.1

 
7.1

Total Regulatory Assets (current)
62.2

 
20.5

 
18.6

Non-current:
 
 
 
 
 
Pension and postretirement benefit costs
92.2

 
98.9

 
82.3

Cost of removal
135.4

 
130.6

 
81.2

Other
1.1

 
1.2

 
4.0

Total Regulatory Assets (non-current)
228.7

 
230.7

 
167.5

Total Regulatory Assets
$
290.9

 
$
251.2

 
$
186.1

Regulatory Liabilities:
 
 
 
 
 
Current:
 
 
 
 
 
RSE adjustment
$
1.2

 
$
5.0

 
$
2.9

Unbilled service margin
6.0

 
5.9

 
6.4

Refundable negative salvage
8.2

 
9.3

 
9.3

Other
2.4

 
2.5

 
2.5

Total Regulatory Liabilities (current)
17.8

 
22.7

 
21.1

Non-current:
 
 
 
 
 
Pension and postretirement benefit costs
27.0

 
28.9

 
27.2

Refundable negative salvage
4.1

 
9.4

 
9.3

Other
3.3

 
3.4

 
3.5

Total Regulatory Liabilities (non-current)
34.4

 
41.7

 
40.0

Total Regulatory Liabilities
$
52.2

 
$
64.4

 
$
61.1


A portion of the Company’s and Laclede Gas’ regulatory assets are not earning a return, as shown in the table below:
 
Spire
 
Laclede Gas
 
June 30,
 
September 30,
 
June 30,
 
June 30,
 
September 30,
 
June 30,
 
2017
 
2016
 
2016
 
2017
 
2016
 
2016
Future income taxes due from customers
$
166.6

 
$
151.3

 
$
146.4

 
$
166.6

 
$
151.3

 
$
146.4

Pension and postretirement benefit costs
231.0

 
240.6

 
203.8

 
231.0

 
240.6

 
203.8

Other
11.4

 
12.9

 
13.2

 
11.4

 
12.9

 
13.2

Total Regulatory Assets Not Earning a Return
$
409.0

 
$
404.8

 
$
363.4

 
$
409.0

 
$
404.8

 
$
363.4

Schedule of regulatory liabilities
The following regulatory assets and regulatory liabilities, including purchased gas adjustments, were reflected in the balance sheets of the Company and the Utilities as of June 30, 2017, September 30, 2016 and June 30, 2016.
 
June 30,
 
September 30,
 
June 30,
Spire
2017
 
2016
 
2016
Regulatory Assets:
 
 
 
 
 
Current:
 
 
 
 
 
Pension and postretirement benefit costs
$
41.7

 
$
27.0

 
$
26.9

Unamortized purchased gas adjustments
73.9

 
49.7

 
5.4

Other
29.0

 
17.2

 
10.6

Total Regulatory Assets (current)
144.6

 
93.9

 
42.9

Non-current:
 
 
 
 
 
Future income taxes due from customers
166.6

 
151.3

 
146.4

Pension and postretirement benefit costs
453.4

 
487.9

 
434.4

Cost of removal
135.4

 
130.6

 
81.2

Unamortized purchased gas adjustments
13.9

 
12.6

 
14.7

Energy efficiency
27.8

 
25.5

 
24.4

Other
43.4

 
30.1

 
29.6

Total Regulatory Assets (non-current)
840.5

 
838.0

 
730.7

Total Regulatory Assets
$
985.1

 
$
931.9

 
$
773.6

Regulatory Liabilities:
 
 
 
 
 
Current:
 
 
 
 
 
Rate Stabilization and Equalization (RSE) adjustment
$
1.2

 
$
7.5

 
$
2.9

Unbilled service margin
6.0

 
5.9

 
6.4

Refundable negative salvage
8.2

 
9.3

 
9.3

Unamortized purchased gas adjustments
1.0

 
1.7

 

Other
9.5

 
6.2

 
3.8

Total Regulatory Liabilities (current)
25.9

 
30.6

 
22.4

Non-current:
 
 
 
 
 
Pension and postretirement benefit costs
27.0

 
28.9

 
27.2

Refundable negative salvage
4.1

 
9.4

 
9.3

Accrued cost of removal
74.6

 
74.8

 
55.4

Other
34.1

 
17.6

 
13.8

Total Regulatory Liabilities (non-current)
139.8

 
130.7

 
105.7

Total Regulatory Liabilities
$
165.7

 
$
161.3

 
$
128.1


 
June 30,
 
September 30,
 
June 30,
Laclede Gas
2017
 
2016
 
2016
Regulatory Assets:
 
 
 
 
 
Current:
 
 
 
 
 
Pension and postretirement benefit costs
$
34.9

 
$
20.2

 
$
20.2

Unamortized purchased gas adjustments
29.0

 
43.1

 
0.6

Other
3.3

 
3.7

 
3.5

Total Regulatory Assets (current)
67.2

 
67.0

 
24.3

Non-current:
 
 
 
 
 
Future income taxes due from customers
166.6

 
151.3

 
146.4

Pension and postretirement benefit costs
352.3

 
375.7

 
352.1

Unamortized purchased gas adjustments
13.9

 
12.6

 
14.7

Energy efficiency
27.8

 
25.5

 
24.4

Other
22.8

 
24.7

 
25.0

Total Regulatory Assets (non-current)
583.4

 
589.8

 
562.6

Total Regulatory Assets
$
650.6

 
$
656.8

 
$
586.9

Regulatory Liabilities:
 
 
 
 
 
Current:
 
 
 
 
 
Other
$
2.7

 
$
1.3

 
$
1.3

Total Regulatory Liabilities (current)
2.7

 
1.3

 
1.3

Non-current:
 
 
 
 
 
Accrued cost of removal
54.8

 
55.1

 
55.4

Other
28.8

 
12.2

 
10.3

Total Regulatory Liabilities (non-current)
83.6

 
67.3

 
65.7

Total Regulatory Liabilities
$
86.3

 
$
68.6

 
$
67.0

 
June 30,
 
September 30,
 
June 30,
Alagasco
2017
 
2016
 
2016
Regulatory Assets:
 
 
 
 
 
Current:
 
 
 
 
 
Pension and postretirement benefit costs
$
6.8

 
$
6.8

 
$
6.7

Unamortized purchased gas adjustments
44.9

 
5.6

 
4.8

Other
10.5

 
8.1

 
7.1

Total Regulatory Assets (current)
62.2

 
20.5

 
18.6

Non-current:
 
 
 
 
 
Pension and postretirement benefit costs
92.2

 
98.9

 
82.3

Cost of removal
135.4

 
130.6

 
81.2

Other
1.1

 
1.2

 
4.0

Total Regulatory Assets (non-current)
228.7

 
230.7

 
167.5

Total Regulatory Assets
$
290.9

 
$
251.2

 
$
186.1

Regulatory Liabilities:
 
 
 
 
 
Current:
 
 
 
 
 
RSE adjustment
$
1.2

 
$
5.0

 
$
2.9

Unbilled service margin
6.0

 
5.9

 
6.4

Refundable negative salvage
8.2

 
9.3

 
9.3

Other
2.4

 
2.5

 
2.5

Total Regulatory Liabilities (current)
17.8

 
22.7

 
21.1

Non-current:
 
 
 
 
 
Pension and postretirement benefit costs
27.0

 
28.9

 
27.2

Refundable negative salvage
4.1

 
9.4

 
9.3

Other
3.3

 
3.4

 
3.5

Total Regulatory Liabilities (non-current)
34.4

 
41.7

 
40.0

Total Regulatory Liabilities
$
52.2

 
$
64.4

 
$
61.1