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Employee Benefits Schedule of Effect of Significant Unobservable Inputs, Changes in Plan Assets (Tables) | 12 Months Ended
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Dec. 31, 2015
Schedule of Net Benefit Costs [Abstract] |
Schedule of Effect of Significant Unobservable Inputs, Changes in Plan Assets [Table Text Block] | The following table presents additional information about our domestic and foreign pension plan assets for which we utilize Level 3 inputs to determine fair value.
| Year ended December 31, 2015 |  | Year ended December 31, 2014
| Investment Funds |  | Limited Partnerships |  | Other |  | Total |  | Investment Funds |  | Limited Partnerships |  | Other |  | Total
Balance at beginning of period | $ | 40.1 |  |  | $ | 32.1 |  |  | $ | 0.3 |  |  | $ | 72.5 |  |  | $ | 25.4 |  |  | $ | 36.1 |  |  | $ | 0.6 |  |  | $ | 62.1 |
Actual return on assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Assets sold during the year | 0.0 |  |  | 0.0 |  |  | 0.0 |  |  | 0.0 |  |  | 0.2 |  |  | 0.2 |  |  | 0.0 |  |  | 0.4 |
Assets still held at year end | (0.7 | ) |  | (1.1 | ) |  | 0.0 |  |  | (1.8 | ) |  | (0.7 | ) |  | (0.3 | ) |  | (0.3 | ) |  | (1.3 | )
Net purchases, sales and settlements | 18.5 |  |  | 0.0 |  |  | 0.1 |  |  | 18.6 |  |  | 15.2 |  |  | (3.9 | ) |  | 0.0 |  |  | 11.3 |
Transfers in/out of Level 3 | 0.0 |  |  | 0.0 |  |  | (0.4 | ) |  | (0.4 | ) |  | 0.0 |  |  | 0.0 |  |  | 0.0 |  |  | 0.0 |
Balance at end of period | $ | 57.9 |  |  | $ | 31.0 |  |  | $ | 0.0 |  |  | $ | 88.9 |  |  | $ | 40.1 |  |  | $ | 32.1 |  |  | $ | 0.3 |  |  | $ | 72.5 |

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- Definition Schedule of Net Benefit Costs [Abstract] + References No definition available. + Details
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- Definition Tabular disclosure of the effect of fair value measurements using significant unobservable inputs (Level 3) on changes in plan assets of pension plans and/or other employee benefit plans for the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(4) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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