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Retirement Benefit Plans | 9 Months Ended
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Sep. 30, 2017
Retirement Benefits [Abstract] |
Retirement Benefit Plans | Note 15 - Retirement Benefit Plans The following table sets forth the net periodic benefit cost for the Company’s defined benefit pension plans. The amounts for the three and nine months ended September 30, 2017 are based on calculations prepared by the Company's actuaries and represent the Company’s best estimate of each period’s proportionate share of the amounts to be recorded for the year ending December 31, 2017.
| U.S. Plans | International Plans | Total
| Three Months Ended September 30, | Three Months Ended September 30, | Three Months Ended September 30,
| 2017 | 2016 | 2017 | 2016 | 2017 | 2016
Components of net periodic benefit cost: |  |  |  |  |  |
Service cost | $ | 3.1 |  | $ | 3.3 |  | $ | 0.4 |  | $ | 0.4 |  | $ | 3.5 |  | $ | 3.7 |
Interest cost | 6.2 |  | 6.6 |  | 1.9 |  | 2.6 |  | 8.1 |  | 9.2 |
Expected return on plan assets | (7.0 | ) | (7.4 | ) | (2.9 | ) | (2.6 | ) | (9.9 | ) | (10.0 | )
Amortization of prior service cost | 0.3 |  | 0.4 |  | 0.1 |  | 0.1 |  | 0.4 |  | 0.5 |
Net periodic benefit cost | $ | 2.6 |  | $ | 2.9 |  | $ | (0.5 | ) | $ | 0.5 |  | $ | 2.1 |  | $ | 3.4 |
| U.S. Plans | International Plans | Total
| Nine Months Ended September 30, | Nine Months Ended September 30, | Nine Months Ended September 30,
| 2017 | 2016 | 2017 | 2016 | 2017 | 2016
Components of net periodic benefit cost: |  |  |  |  |  |
Service cost | $ | 9.2 |  | $ | 9.9 |  | $ | 1.2 |  | $ | 1.1 |  | $ | 10.4 |  | $ | 11.0 |
Interest cost | 18.5 |  | 20.0 |  | 5.6 |  | 8.2 |  | 24.1 |  | 28.2 |
Expected return on plan assets | (21.0 | ) | (22.3 | ) | (8.3 | ) | (8.0 | ) | (29.3 | ) | (30.3 | )
Amortization of prior service cost | 1.0 |  | 1.2 |  | 0.1 |  | 0.1 |  | 1.1 |  | 1.3 |
Recognition of actuarial loss | 4.4 |  | — |  | — |  | — |  | 4.4 |  | — |
Net periodic benefit cost | $ | 12.1 |  | $ | 8.8 |  | $ | (1.4 | ) | $ | 1.4 |  | $ | 10.7 |  | $ | 10.2 |
During the first three months of 2017, the Company recognized actuarial losses of $4.4 million as a result of the remeasurement of plan assets and obligations for one of the Company’s United States ("U.S.") defined benefit pension plans. The remeasurement was due to lump sum payments exceeding service and interest costs for this plan.Note 16 - Other Postretirement Benefit Plans The following table sets forth the net periodic benefit cost for the Company’s other postretirement benefit plans. The amounts for the three and nine months ended September 30, 2017 are based on calculations prepared by the Company's actuaries and represent the Company’s best estimate of each period’s proportionate share of the amounts to be recorded for the year ending December 31, 2017.
| Three Months Ended September 30, | Nine Months Ended September 30,
| 2017 | 2016 | 2017 | 2016
Components of net periodic benefit cost: |  |  |  |
Service cost | $ | — |  | $ | 0.1 |  | $ | 0.1 |  | $ | 0.3 |
Interest cost | 2.3 |  | 2.7 |  | 6.8 |  | 8.2 |
Expected return on plan assets | (1.4 | ) | (1.6 | ) | (4.2 | ) | (4.9 | )
Amortization of prior service cost | (0.3 | ) | 0.2 |  | (0.8 | ) | 0.7 |
Net periodic benefit cost | $ | 0.6 |  | $ | 1.4 |  | $ | 1.9 |  | $ | 4.3 |

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- Definition The entire disclosure for pension and other postretirement benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -URI http://asc.fasb.org/topic&trid=2235017 + Details
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