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Discontinued Operations (Tables) | 12 Months Ended
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Dec. 31, 2019
Disposal Groups, Including Discontinued Operations [Abstract] |
Results of discontinued operations [Table Text Block] | Results from discontinued operations were as follows during the years ended December 31, 2019, 2018 and 2017:
| Successor | Predecessor
| Year Ended December 31, 2019 |  | Year Ended December 31, 2018 |  | April 2 through December 31, 2017 | January 1 through April 1, 2017
| (Dollars in millions)
Income (loss) from discontinued operations, net of income taxes | $ | 3.2 |  |  | $ | 18.1 |  |  | $ | (19.8 | ) | $ | (16.2 | )
Disposal Groups, Including Discontinued Operations [Table Text Block] | Liabilities classified as discontinued operations included in the Company’s consolidated balance sheets were as follows:
| December 31,
| 2019 |  | 2018
| (Dollars in millions)
Liabilities: |  |  |
Accounts payable and accrued expenses | $ | 58.8 |  |  | $ | 54.0 |
Other noncurrent liabilities | 105.5 |  |  | 141.1 |
Total liabilities classified as discontinued operations | $ | 164.3 |  |  | $ | 195.1 |

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