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ACQUISITIONS (Tables)
12 Months Ended
Dec. 31, 2013
Compass Energy Services Inc
 
Acquisitions  
Schedule of Purchase Price Allocation [Table Text Block]
The purchase price was allocated based on the estimated fair values of the assets acquired and the liabilities assumed at the date of acquisition, as follows:
(Millions)
 
 
Assets acquired
 
 
Inventories
 
$
0.7

Assets from risk management activities (current)
 
15.1

Other current assets
 
1.1

Assets from risk management activities (long-term)
 
9.3

Other long-term assets
 
6.1

Total assets acquired
 
$
32.3

 
 
 
Liabilities assumed
 
 
Liabilities from risk management activities (current)
 
$
8.3

Other current liabilities
 
0.5

Liabilities from risk management activities (long-term)
 
3.4

Total liabilities assumed
 
$
12.2

Fox Energy Company LLC
 
Acquisitions  
Schedule of Purchase Price Allocation [Table Text Block]
The purchase price was allocated based on the estimated fair values of the assets acquired and the liabilities assumed at the date of acquisition, as follows:
(Millions)
 
 
Assets acquired (1)
 
 
Inventories
 
$
3.0

Other current assets
 
0.4

Property, plant, and equipment
 
374.4

Other long-term assets (2)
 
15.6

Total assets acquired
 
$
393.4

 
 
 
Liabilities assumed
 
 
Accounts payable
 
$
1.8

Total liabilities assumed
 
$
1.8


(1) 
Relates to the electric utility segment.

(2) 
Intangible assets recorded for contractual services agreements. See Note 9, Goodwill and Other Intangible Assets, for more information.