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Employee Benefits - Expected Benefit Payments (Details) $ in Millions | Dec. 31, 2021 USD ($)
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Defined Benefit Plan Disclosure [Line Items] |
2022 | $ 9.5
2023 | 10.1
2024 | 10.6
2025 | 11.0
2026 | 11.3
2027-2031 | 63.2
Salaried VEBA |
Defined Benefit Plan Disclosure [Line Items] |
2022 | 7.4
2023 | 7.1
2024 | 6.7
2025 | 6.4
2026 | 6.0
2027-2031 | 25.4
Pension Plan |
Defined Benefit Plan Disclosure [Line Items] |
2022 | 0.5
2023 | 0.6
2024 | 0.8
2025 | 0.9
2026 | 1.0
2027-2031 | 7.8
Other Postretirement Benefits Plan |
Defined Benefit Plan Disclosure [Line Items] |
2022 | 1.6
2023 | 2.4
2024 | 3.1
2025 | 3.7
2026 | 4.3
2027-2031 | $ 30.0

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