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POSTRETIREMENT BENEFIT PLANS | 6 Months Ended
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Jun. 30, 2016
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 and six months ended June 30, 2016 and 2015.
| 2016 |  | 2015
For the Three Months Ended June 30 | Pension |  | Other Benefits |  | Total |  | Pension |  | Other Benefits |  | Total
Service cost |  | $ | 1.3 |  |  |  |  | $ | 0.2 |  |  |  |  | $ | 1.5 |  |  |  |  | $ | 1.3 |  |  |  |  | $ | 0.2 |  |  |  |  | $ | 1.5 |  |
Interest cost |  | 3.5 |  |  |  |  | 1.2 |  |  |  |  | 4.7 |  |  |  |  | 3.6 |  |  |  |  | 1.2 |  |  |  |  | 4.8 |  |
Expected return on plan assets |  | (5.1 | ) |  |  |  | (0.1 | ) |  |  |  | (5.2 | ) |  |  |  | (5.1 | ) |  |  |  | (0.2 | ) |  |  |  | (5.3 | ) |
Amortization of prior service cost (benefit) |  | 0.3 |  |  |  |  | (1.7 | ) |  |  |  | (1.4 | ) |  |  |  | 0.2 |  |  |  |  | (2.7 | ) |  |  |  | (2.5 | ) |
Amortization of net actuarial loss |  | 1.8 |  |  |  |  | 1.2 |  |  |  |  | 3.0 |  |  |  |  | 2.1 |  |  |  |  | 1.1 |  |  |  |  | 3.2 |  |
Total net periodic benefit cost (benefit) |  | $ | 1.8 |  |  |  |  | $ | 0.8 |  |  |  |  | $ | 2.6 |  |  |  |  | $ | 2.1 |  |  |  |  | $ | (0.4 | ) |  |  |  | $ | 1.7 |  |
| 2016 |  | 2015
For the Six Months Ended June 30 | Pension |  | Other Benefits |  | Total |  | Pension |  | Other Benefits |  | Total
Service cost |  | $ | 2.5 |  |  |  |  | $ | 0.4 |  |  |  |  | $ | 2.9 |  |  |  |  | $ | 2.6 |  |  |  |  | $ | 0.4 |  |  |  |  | $ | 3.0 |  |
Interest cost |  | 6.9 |  |  |  |  | 2.4 |  |  |  |  | 9.3 |  |  |  |  | 7.1 |  |  |  |  | 2.4 |  |  |  |  | 9.5 |  |
Expected return on plan assets |  | (10.1 | ) |  |  |  | (0.3 | ) |  |  |  | (10.4 | ) |  |  |  | (10.2 | ) |  |  |  | (0.4 | ) |  |  |  | (10.6 | ) |
Amortization of prior service cost (benefit) |  | 0.5 |  |  |  |  | (3.3 | ) |  |  |  | (2.8 | ) |  |  |  | 0.5 |  |  |  |  | (5.5 | ) |  |  |  | (5.0 | ) |
Amortization of net actuarial loss |  | 3.7 |  |  |  |  | 2.4 |  |  |  |  | 6.1 |  |  |  |  | 4.3 |  |  |  |  | 2.2 |  |  |  |  | 6.5 |  |
Total net periodic benefit cost (benefit) |  | $ | 3.5 |  |  |  |  | $ | 1.6 |  |  |  |  | $ | 5.1 |  |  |  |  | $ | 4.3 |  |  |  |  | $ | (0.9 | ) |  |  |  | $ | 3.4 |  |
We made contributions to our global postretirement plans of $7.4 and $5.2 during the six months ended June 30, 2016 and 2015, respectively. We expect to make contributions of approximately $5 to $10 during the remainder of 2016, 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 $1.2 and $2.3 and $0.6 and $1.1, net of tax, for the three and six months ended June 30, 2016 and June 30, 2015, respectively. No other reclassifications from accumulated other comprehensive income into earnings were recognized during any of the presented periods.

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