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POSTRETIREMENT BENEFIT PLANS | 3 Months Ended
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Mar. 31, 2017
Compensation and Retirement Disclosure [Abstract] |
POSTRETIREMENT BENEFIT PLANS | POSTRETIREMENT BENEFIT PLANS The following tables provide the components of net periodic benefit cost for pension plans and other employee-related benefit plans for the three months ended March 31, 2017 and 2016.
| 2017 |  | 2016
For the Three Months Ended March 31 | Pension |  | Other Benefits |  | Total |  | Pension |  | Other Benefits |  | Total
Service cost |  | $ | 1.4 |  |  |  |  | $ | 0.2 |  |  |  |  | $ | 1.6 |  |  |  |  | $ | 1.2 |  |  |  |  | $ | 0.2 |  |  |  |  | $ | 1.4 |  |
Interest cost |  | 3.0 |  |  |  |  | 1.1 |  |  |  |  | 4.1 |  |  |  |  | 3.4 |  |  |  |  | 1.2 |  |  |  |  | 4.6 |  |
Expected return on plan assets |  | (4.6 | ) |  |  |  | (0.1 | ) |  |  |  | (4.7 | ) |  |  |  | (5.0 | ) |  |  |  | (0.2 | ) |  |  |  | (5.2 | ) |
Amortization of prior service cost (benefit) |  | 0.2 |  |  |  |  | (1.4 | ) |  |  |  | (1.2 | ) |  |  |  | 0.2 |  |  |  |  | (1.6 | ) |  |  |  | (1.4 | ) |
Amortization of net actuarial loss |  | 1.7 |  |  |  |  | 1.1 |  |  |  |  | 2.8 |  |  |  |  | 1.9 |  |  |  |  | 1.2 |  |  |  |  | 3.1 |  |
Total net periodic benefit cost |  | $ | 1.7 |  |  |  |  | $ | 0.9 |  |  |  |  | $ | 2.6 |  |  |  |  | $ | 1.7 |  |  |  |  | $ | 0.8 |  |  |  |  | $ | 2.5 |  |
We made contributions to our global postretirement plans of $3.5 and $3.3 during the three months ended March 31, 2017 and 2016, respectively. We expect to make contributions of approximately $8 to $12 during the remainder of 2017, principally related to our other postretirement employee benefit plans. Amortization from accumulated other comprehensive income into earnings related to prior service cost and net actuarial loss was $1.1, net of tax, for the three months ended March 31, 2017 and 2016, respectively. No other reclassifications from accumulated other comprehensive income into earnings were recognized during any of the presented periods.

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