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Employee Benefit and Retirement Plans (Tables) | 3 Months Ended
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Mar. 31, 2017
Pension Benefits [Member] |
Summary of Components of Pension and Postretirement Benefit Expense | The components of pension and postretirement benefit expense for the three months ended March 31, are as follows (in millions):
|  | Pension Benefits |
|  | U.S. |  |  | International |
|  | 2017 |  |  | 2016 |  |  | 2017 |  |  | 2016 |
Service cost-benefits earned during the period |  | $ | 0.7 |  |  | $ | 0.7 |  |  | $ | 1.8 |  |  | $ | 1.3 |
Interest cost on projected benefit obligation |  |  | 12.6 |  |  |  | 7.6 |  |  |  | 3.3 |  |  |  | 4.6 |
Expected return on plan assets |  |  | (18.3 | ) |  |  | (11.4 | ) |  |  | (4.5 | ) |  |  | (5.5 | )
Amortization, net |  |  | 5.9 |  |  |  | 5.4 |  |  |  | 0.6 |  |  |  | 0.7 |
Net periodic pension cost |  | $ | 0.9 |  |  | $ | 2.3 |  |  | $ | 1.2 |  |  | $ | 1.1 |
Postretirement Benefits [Member] |
Summary of Components of Pension and Postretirement Benefit Expense |
|  | Postretirement Benefits |
|  | 2017 |  |  | 2016 |
Service cost |  | $ | — |  |  | $ | — |
Interest cost |  |  | 0.6 |  |  |  | 0.5 |
Amortization, net |  |  | (2.3 | ) |  |  | (2.6 | )
Net periodic postretirement cost |  | $ | (1.7 | ) |  | $ | (2.1 | )

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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=65897934&loc=d3e1928-114920 + Details
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