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BENEFIT PLANS | 6 Months Ended
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Jun. 30, 2018
Retirement Benefits [Abstract] |
BENEFIT PLANS | BENEFIT PLANS We sponsor defined benefit pension plans and defined contribution plans. For additional information about our benefit plans, see Note 10 of the Notes to Consolidated Financial Statements in our 2017 Form 10-K. The following table provides the components of net periodic benefit cost. The service cost component is included in selling, general and administrative expenses and the other components of net periodic benefit cost are included in other income, net in the Consolidated Statements of Income, for the three and six months ended June 30, 2018 and 2017:
|  | Pension Benefits |  | Other Benefits
|  | Three Months Ended June 30,
|  | 2018 |  | 2017 |  | 2018 |  | 2017
|  | (In millions)
Service cost |  | $ | 0.9 |  |  | $ | 1.0 |  |  | $ | 0.1 |  |  | $ | 0.1 |
Interest cost |  | 6.7 |  |  | 7.1 |  |  | 0.2 |  |  | 0.2 |
Expected return on plan assets |  | (9.6 | ) |  | (9.3 | ) |  | (0.3 | ) |  | (0.3 | )
Amortization of prior service cost |  | 0.1 |  |  | 0.2 |  |  | (0.3 | ) |  | (0.3 | )
Recognized actuarial loss |  | 5.0 |  |  | 3.8 |  |  | 0.4 |  |  | 0.4 |
Total net periodic benefit cost |  | $ | 3.1 |  |  | $ | 2.8 |  |  | $ | 0.1 |  |  | $ | 0.1 |
|  | Pension Benefits |  | Other Benefits
|  | Six Months Ended June 30,
|  | 2018 |  | 2017 |  | 2018 |  | 2017
|  | (In millions)
Service cost |  | $ | 1.8 |  |  | $ | 2.0 |  |  | $ | 0.2 |  |  | $ | 0.2 |
Interest cost |  | 13.4 |  |  | 14.2 |  |  | 0.4 |  |  | 0.4 |
Expected return on plan assets |  | (19.2 | ) |  | (18.6 | ) |  | (0.6 | ) |  | (0.6 | )
Amortization of prior service cost |  | 0.2 |  |  | 0.4 |  |  | (0.6 | ) |  | (0.6 | )
Recognized actuarial loss |  | 10.0 |  |  | 7.6 |  |  | 0.8 |  |  | 0.8 |
Total net periodic benefit cost |  | $ | 6.2 |  |  | $ | 5.6 |  |  | $ | 0.2 |  |  | $ | 0.2 |

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