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BENEFIT PLANS (Tables) | 6 Months Ended
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Jun. 30, 2018
Retirement Benefits [Abstract] |
Components of Net Periodic Benefit Cost | 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 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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 + Details
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