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Accounts Receivable (Tables)

12 Months Ended

Dec. 31, 2014

Accounts Receivable, Net, Current [Abstract]

Schedule of Accounts Receivable

	Successor					Predecessor
($ millions)	December 31, 2014					December 31, 2013
Utility customers and other	$	36.3				$	129.3
DOE cost share of Cooperative Agreement funding	—					20.1
Contract services, primarily DOE	22.6					13.6
Accounts receivable, net	$	58.9				$	163.0

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- Definition

Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.3,4)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 3, 4

-Article 5

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