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Reorganization Items, Net (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Dec. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2016 | Dec. 31, 2016 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
schedule of reorganization items [Line Items] |  |  |  |  |  |  |
Reorganization Items | $ 33.9 | $ 29.7 | $ 95.4 | $ 159.0 | $ 159.0 | $ 0.0 | $ 0.0
Payments for Reorganization Items, Net |  |  |  |  | 68.1 |  |
Professional fee [Member] |  |  |  |  |  |  |
schedule of reorganization items [Line Items] |  |  |  |  |  |  |
Reorganization Items |  |  |  |  | 88.4 |  |
Loss on termination of derivative contracts [Member] |  |  |  |  |  |  |
schedule of reorganization items [Line Items] |  |  |  |  |  |  |
Reorganization Items |  |  |  |  | 75.2 |  |
accounts payable settlement (gains) losses [Member] |  |  |  |  |  |  |
schedule of reorganization items [Line Items] |  |  |  |  |  |  |
Reorganization Items |  |  |  |  | (1.8) |  |
Interest Income [Member] |  |  |  |  |  |  |
schedule of reorganization items [Line Items] |  |  |  |  |  |  |
Reorganization Items |  |  |  |  | (1.8) |  |
Other reorganization items [Member] |  |  |  |  |  |  |
schedule of reorganization items [Line Items] |  |  |  |  |  |  |
Reorganization Items |  |  |  |  | $ (1.0) |  |

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- Definition Total amount of reorganization items. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 852 -SubTopic 10 -Section 55 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=84165509&loc=d3e56145-112766 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 852 -SubTopic 10 -Section 45 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=64805424&loc=d3e55730-112764 + Details
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