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Pension and Postretirement Benefits (Tables) | 6 Months Ended
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Jun. 30, 2017
Pension Plans |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
Components of Net Periodic Benefit Expense | Net periodic pension expense for the three and six months ended June 30, 2017 and 2016 is presented below:
|  | Three Months Ended June 30, 2017 |  | Three Months Ended June 30, 2016
|  | Total |  | U.S. Plans |  | Int’l. Plans |  | Total |  | U.S. Plans |  | Int’l. Plans
Service cost |  | $ | 1.6 |  |  | $ | — |  |  | $ | 1.6 |  |  | $ | 2.1 |  |  | $ | — |  |  | $ | 2.1 |
Interest cost |  | 70.9 |  |  | 53.2 |  |  | 17.7 |  |  | 81.4 |  |  | 58.1 |  |  | 23.3 |
Expected return on plan assets |  | (90.1 | ) |  | (58.8 | ) |  | (31.3 | ) |  | (100.0 | ) |  | (63.2 | ) |  | (36.8 | )
Amortization of prior service benefit |  | (1.2 | ) |  | (0.7 | ) |  | (0.5 | ) |  | (1.4 | ) |  | (0.7 | ) |  | (0.7 | )
Recognized net actuarial loss |  | 45.3 |  |  | 32.3 |  |  | 13.0 |  |  | 39.4 |  |  | 29.3 |  |  | 10.1 |
Curtailment gain |  | (5.2 | ) |  | — |  |  | (5.2 | ) |  | — |  |  | — |  |  | — |
Net periodic pension expense |  | $ | 21.3 |  |  | $ | 26.0 |  |  | $ | (4.7 | ) |  | $ | 21.5 |  |  | $ | 23.5 |  |  | $ | (2.0 | )
|  | Six Months Ended June 30, 2017 |  | Six Months Ended June 30, 2016
|  | Total |  | U.S. Plans |  | Int’l. Plans |  | Total |  | U.S. Plans |  | Int’l. Plans
Service cost |  | $ | 3.2 |  |  | $ | — |  |  | $ | 3.2 |  |  | $ | 3.9 |  |  | $ | — |  |  | $ | 3.9 |
Interest cost |  | 140.8 |  |  | 105.7 |  |  | 35.1 |  |  | 161.9 |  |  | 115.7 |  |  | 46.2 |
Expected return on plan assets |  | (179.5 | ) |  | (117.6 | ) |  | (61.9 | ) |  | (199.4 | ) |  | (126.6 | ) |  | (72.8 | )
Amortization of prior service benefit |  | (2.5 | ) |  | (1.3 | ) |  | (1.2 | ) |  | (2.8 | ) |  | (1.3 | ) |  | (1.5 | )
Recognized net actuarial loss |  | 89.0 |  |  | 63.2 |  |  | 25.8 |  |  | 78.2 |  |  | 58.0 |  |  | 20.2 |
Curtailment gain |  | (5.2 | ) |  | — |  |  | (5.2 | ) |  | — |  |  | — |  |  | — |
Net periodic pension expense |  | $ | 45.8 |  |  | $ | 50.0 |  |  | $ | (4.2 | ) |  | $ | 41.8 |  |  | $ | 45.8 |  |  | $ | (4.0 | )
Other Postretirement Benefit Plans |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
Components of Net Periodic Benefit Expense | Net periodic postretirement benefit expense for the three and six months ended June 30, 2017 and 2016 is presented below:
|  | Three Months Ended June 30, |  | Six Months Ended June 30,
|  | 2017 |  | 2016 |  | 2017 |  | 2016
Service cost |  | $ | 0.1 |  |  | $ | 0.1 |  |  | $ | 0.2 |  |  | $ | 0.2 |
Interest cost |  | 1.5 |  |  | 1.6 |  |  | 3.0 |  |  | 3.2 |
Expected return on assets |  | (0.1 | ) |  | (0.1 | ) |  | (0.2 | ) |  | (0.2 | )
Recognized net actuarial loss |  | 0.3 |  |  | 0.3 |  |  | 0.6 |  |  | 0.6 |
Amortization of prior service benefit |  | (0.1 | ) |  | — |  |  | (0.2 | ) |  | — |
Net periodic postretirement benefit expense |  | $ | 1.7 |  |  | $ | 1.9 |  |  | $ | 3.4 |  |  | $ | 3.8 |

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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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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