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Transition Charges Restructuring and Related Activities (Tables) | 3 Months Ended
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Mar. 31, 2014
Reorganizations [Abstract] |
Restructuring and Related Costs [Table Text Block] | A summary of special charges recorded in the year ended December 31, 2013 and the three months ended March 31, 2014, and changes in the related balance sheet accounts, follow (in millions):
| Liability Balance to Be Paid, Dec. 31, 2012 |  | 2013 Special Charges |  | 2013 Paid |  | Liability Balance to Be Paid, Dec. 31, 2013 |  | First Qtr. 2014 Special Charges |  | First Qtr. 2014 Paid |  | Liability Balance to Be Paid, Mar. 31, 2014
Workforce reductions, primarily severance payments | $ | — |  |  | $ | 25.2 |  |  | $ | (4.0 | ) |  | $ | 21.2 |  |  | $ | 0.1 |  |  | $ | (2.7 | ) |  | $ | 18.6 |
Less: Amounts billed to DOE | — |  |  | (1.2 | ) |  | na |  |  | na |  |  | (0.6 | ) |  | na |  |  | na |
Pension and postretirement benefit charges, non-cash | — |  |  | 22.2 |  |  | na |  |  | na |  |  | — |  |  | na |  |  | na |
Advisory costs | 0.1 |  |  | 11.0 |  |  | (9.9 | ) |  | 1.2 |  |  | — |  |  | (1.2 | ) |  | — |
| $ | 0.1 |  |  | $ | 57.2 |  |  | $ | (13.9 | ) |  | $ | 22.4 |  |  | $ | (0.5 | ) |  | $ | (3.9 | ) |  | $ | 18.6 |

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- Definition Tabular disclosure of costs incurred for restructuring including, but not limited to, exit and disposal activities, remediation, implementation, integration, asset impairment, and charges against earnings from the write-down of assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 5.P.3) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140864-122747 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 + Details
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