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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
12 Months Ended
Sep. 30, 2014
Accounting Policies [Abstract]  
Asset retirement obligations
The following table presents a reconciliation of the beginning and ending balances of asset retirement obligations at September 30 as reported in the Balance Sheets:
 
Laclede Group
 
Laclede Gas
($ millions)
2014
 
2013
 
2014
 
2013
Asset retirement obligations, beginning of year
$
74.6

 
$
40.4

 
$
74.3

 
$
40.1

Liabilities incurred during the period
0.5

 
0.8

 
0.5

 
0.8

Liabilities settled during the period
(1.5
)
 
(1.1
)
 
(1.5
)
 
(1.1
)
Accretion
3.7

 
2.3

 
3.7

 
2.3

Revisions in estimated cash flows
(5.8
)
 

 
(5.8
)
 

Addition of MGE asset retirement obligation

 
32.2

 

 
32.2

Addition of Alagasco asset retirement obligation
27.7

 

 

 

Asset retirement obligations, end of year
$
99.2

 
$
74.6

 
$
71.2

 
$
74.3

Schedule of goodwill
The following table represents total goodwill of Laclede Group and Laclede Gas:
($ Millions)
Laclede Group
 
Laclede Gas
Acquisition
2014
 
2013
 
2014
 
2013
MGE
$
210.2

 
$
247.1

 
$
210.2

 
$
247.1

Alagasco
727.6

 

 

 

Total
$
937.8

 
$
247.1

 
$
210.2

 
$
247.1

The following table presents the total goodwill activity for the twelve months ended September 30, 2014:
($ Millions)
Laclede Group
 
Laclede Gas
September 30, 2013
$
247.1

 
$
247.1

MGE:
 
 
 
Working capital and other adjustments to acquisition cost
(25.9
)
 
(25.9
)
Sale of NEG
(11.0
)
 
(11.0
)
Alagasco Acquisition
727.6

 

September 30, 2014
$
937.8

 
$
210.2

Off-System Sales
Laclede Gas
 
 
Pre-tax Income
Customer Share
Company Share
First $2 million
100%
—%
Next $2 million
80%
20%
Next $2 million
75%
25%
Amounts exceeding $6 million
70%
30%
 
 
 
MGE
 
 
Pre-tax Income
Customer Share
Company Share
First $1.2 million
85%
15%
Next $1.2 million
80%
20%
Next $1.2 million
75%
25%
Amounts exceeding $3.6 million
70%
30%