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Employee Retirement Plans (Tables) | 3 Months Ended
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Mar. 31, 2017
Compensation and Retirement Disclosure [Abstract] |
Schedule of Components of Net Pension Income | The components of net pension income for the three months ended March 31, 2017 and 2016, were as follows:
| Three Months Ended March 31,
| 2017 |  | 2016
Interest cost | $ | (4.3 | ) |  | $ | (5.1 | )
Expected return on plan assets | 6.9 |  |  | 7.9 |
Net pension income | $ | 2.6 |  |  | $ | 2.8 |

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- Definition Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments. + 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 (h) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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