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Postretirement And Other Benefits | 6 Months Ended
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Jun. 30, 2017
Retirement Benefits [Abstract] |
Postretirement and Other Benefits | Postretirement and Other Benefits The Company sponsors pension benefits in the United States, France and Canada and OPEB benefits related to postretirement healthcare and life insurance in the United States and Canada. The Company’s Canadian pension and OPEB benefits are not material and therefore are not included in the following disclosures. Pension and OPEB Benefits The components of net pension and OPEB benefit costs for U.S. employees and net pension benefit costs for French employees during the three and six months ended June 30, 2017 and 2016 were as follows ($ in millions):
| Three Months Ended June 30,
| U.S. Pension Benefits |  | French Pension Benefits |  | U.S. OPEB Benefits
| 2017 |  | 2016 |  | 2017 |  | 2016 |  | 2017 |  | 2016
Service cost | $ | — |  |  | $ | — |  |  | 0.3 |  |  | $ | 0.3 |  |  | $ | — |  |  | $ | — |
Interest cost | 1.2 |  |  | 1.3 |  |  | 0.1 |  |  | 0.1 |  |  | — |  |  | — |
Expected return on plan assets | (1.6 | ) |  | (1.7 | ) |  | (0.1 | ) |  | — |  |  | — |  |  | — |
Amortizations and other | 0.9 |  |  | 1.0 |  |  | 0.3 |  |  | 0.2 |  |  | — |  |  | — |
Net periodic benefit cost | $ | 0.5 |  |  | $ | 0.6 |  |  | $ | 0.6 |  |  | $ | 0.6 |  |  | $ | — |  |  | $ | — |
| Six Months Ended June 30,
| U.S. Pension Benefits |  | French Pension Benefits |  | U.S. OPEB Benefits
| 2017 |  | 2016 |  | 2017 |  | 2016 |  | 2017 |  | 2016
Service cost | $ | — |  |  | $ | — |  |  | $ | 0.5 |  |  | $ | 0.6 |  |  | $ | — |  |  | $ | — |
Interest cost | 2.4 |  |  | 2.6 |  |  | 0.2 |  |  | 0.2 |  |  | — |  |  | — |
Expected return on plan assets | (3.2 | ) |  | (3.4 | ) |  | (0.1 | ) |  | (0.1 | ) |  | — |  |  | — |
Amortizations and other | 1.8 |  |  | 2.0 |  |  | 0.6 |  |  | 0.5 |  |  | 0.1 |  |  | 0.1 |
Net periodic benefit cost | $ | 1.0 |  |  | $ | 1.2 |  |  | $ | 1.2 |  |  | $ | 1.2 |  |  | $ | 0.1 |  |  | $ | 0.1 |
During the fiscal year ending December 31, 2017, the Company expects to recognize approximately $3.8 million for amortization of accumulated other comprehensive loss related to its U.S. pension and OPEB plans and approximately $1.2 million for its French pension plans.

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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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