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EMPLOYEE BENEFIT PLANS (Expected Benefit Payments) (Details)
$ in Millions
Dec. 31, 2020
USD ($)
Pension Benefits [Member]  
Defined Benefit Plan Disclosure [Line Items]  
2021 $ 35.4
2022 20.4
2023 17.8
2024 20.4
2025 23.5
Years 2026-2030 156.2
Post Retirement Medical Plan [Member]  
Defined Benefit Plan Disclosure [Line Items]  
2021 2.1
2022 2.0
2023 1.9
2024 1.7
2025 1.7
Years 2026-2030 $ 7.8