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Intangible Assets (Tables) | 9 Months Ended
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Sep. 30, 2017
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Intangible Assets and Excess Reorganization Value [Table Text Block] |
| September 30, 2017 |  | December 31, 2016
|  |  |  |  | (in millions) |  |  |  |
| Gross Carrying Amount |  | Accumulated Amortization |  | Net Amount |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Amount
Sales order book | $ | 54.6 |  |  | $ | 22.1 |  |  | $ | 32.5 |  |  | $ | 54.6 |  |  | $ | 19.9 |  |  | $ | 34.7 |
Customer relationships | 68.9 |  |  | 13.8 |  |  | 55.1 |  |  | 68.9 |  |  | 10.3 |  |  | 58.6 |
Total | $ | 123.5 |  |  | $ | 35.9 |  |  | $ | 87.6 |  |  | $ | 123.5 |  |  | $ | 30.2 |  |  | $ | 93.3 |

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- Definition Schedule of Intangible Assets and Excess Reorganization Value [Table Text Block] + References No definition available. + Details
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- References No definition available. + Details
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