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Debt and Credit Agreements Schedule of Maturities of Long-term Debt (Tables) | 12 Months Ended
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Dec. 31, 2016
Schedule of Maturities of Long-term Debt [Abstract] |
Schedule of Maturities of Long-term Debt [Table Text Block] | Annual maturities are scheduled as follows based on the book value as of December 31, 2016.
2017 | $ | 323.9 |
2018 | 1.8 |
2019 | 1.7 |
2020 | 0.8 |
2021 | 0.0 |
Thereafter | 1,276.4 |
Total long-term debt | $ | 1,604.6 |

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- Definition Schedule of Maturities of Long-term Debt [Abstract] + References No definition available. + Details
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- Definition Tabular disclosure of the combined aggregate amount of maturities and sinking fund requirements for all long-term borrowings for each of the five years following the date of the latest balance sheet date presented. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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