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Accounts Receivable (Tables) | 12 Months Ended
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Dec. 31, 2012
Accounts Receivable and Other Current Assets |
Schedule of Accounts Receivable |
|  | December 31, |
|  | 2012 |  |  | 2011 |
|  | (millions) |
Accounts receivable: |  |  |
Utility customers |  | $ | 118.3 |  |  | $ | 124.2 |
Contract services, primarily Department of Energy: |  |  |  |  |  |  |  |
Billed revenue |  |  | 10.5 |  |  |  | 18.8 |
Unbilled revenue |  |  | 6.0 |  |  |  | 19.0 |
|  |  | 16.5 |  |  |  | 37.8 |
|  | $ | 134.8 |  |  | $ | 162.0 |
Schedule of Other Current Assets |
Other current assets: |  |  |  |  |  |
Prepayments to American Centrifuge suppliers |  | $ | - |  |  | $ | 21.1 |
Prepaid taxes, power purchases and insurance |  |  | 4.0 |  |  |  | 29.4 |
Deferred financing costs for credit facility |  |  | 3.0 |  |  |  | 2.4 |
Other |  |  | 12.2 |  |  |  | 11.9 |
|  | $ | 19.2 |  |  | $ | 64.8 |

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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 + Details
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- Definition Tabular disclosure of the carrying amounts of other assets. This disclosure includes other current assets and other noncurrent assets. + References No definition available. + Details
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