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Employee Benefit Plans | 9 Months Ended
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Sep. 30, 2020
Compensation And Retirement Disclosure [Abstract] |
Employee Benefit Plans | Note 10 - Employee benefit plans: The components of net periodic defined benefit pension cost are presented in the table below.
| Three months ended |  |  | Nine months ended |
| September 30, |  |  | September 30, |
| 2019 |  |  | 2020 |  |  | 2019 |  |  | 2020 |
| (In millions) |
Service cost | $ | 2.7 |  |  | $ | 3.5 |  |  | $ | 8.3 |  |  | $ | 9.9 |
Interest cost |  | 3.5 |  |  |  | 2.7 |  |  |  | 10.5 |  |  |  | 7.9 |
Expected return on plan assets |  | (3.1 | ) |  |  | (2.4 | ) |  |  | (9.3 | ) |  |  | (7.0 | )
Amortization of prior service cost |  | .1 |  |  |  | .1 |  |  |  | .2 |  |  |  | .2 |
Recognized actuarial losses |  | 3.3 |  |  |  | 4.6 |  |  |  | 10.0 |  |  |  | 13.3 |
Total | $ | 6.5 |  |  | $ | 8.5 |  |  | $ | 19.7 |  |  | $ | 24.3 |
We expect our 2020 contributions for our pension plans to be approximately $17 million.

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