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v3.23.2

Pension and Other Retiree Benefits - Net Periodic Benefit Expense (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Pension | United States |  |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |
Service cost |  | $ 0.0 | $ 0.0 | $ 0.0 | $ 0.0
Interest cost |  | 2.0 | 1.2 | 4.0 | 2.4
Expected return on plan assets |  | (3.0) | (2.7) | (6.0) | (5.4)
Amortization of net loss (gain) |  | 0.6 | 0.9 | 1.2 | 1.8
Amortization of prior service cost |  | 0.0 | 0.0 | 0.0 | 0.0
Net periodic benefit (income) cost | [1] | (0.4) | (0.6) | (0.8) | (1.2)
Pension | International |  |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |
Service cost |  | 0.1 | 0.2 | 0.2 | 0.5
Interest cost |  | 5.0 | 2.4 | 9.9 | 4.9
Expected return on plan assets |  | (5.4) | (4.5) | (10.7) | (9.1)
Amortization of net loss (gain) |  | 1.1 | 1.3 | 2.1 | 2.7
Amortization of prior service cost |  | 0.1 | 0.1 | 0.2 | 0.1
Net periodic benefit (income) cost | [1] | 0.9 | (0.5) | 1.7 | (0.9)
Post-retirement |  |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |
Service cost |  | 0.0 | 0.0 | 0.0 | 0.0
Interest cost |  | 0.0 | 0.0 | 0.0 | 0.0
Expected return on plan assets |  | 0.0 | 0.0 | 0.0 | 0.0
Amortization of net loss (gain) |  | (0.1) | (0.1) | (0.2) | (0.2)
Amortization of prior service cost |  | 0.0 | 0.0 | 0.0 | 0.0
Net periodic benefit (income) cost | [1] | $ (0.1) | $ (0.1) | $ (0.2) | $ (0.2)
[1] | The components of net periodic benefit (income) cost, other than service cost, are included in the line "Non-operating pension expense (income)" in the Consolidated Statements of Income.

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