XML 127 R99.htm IDEA: XBRL DOCUMENT v3.20.4
PENSION AND POST-RETIREMENT BENEFITS - Estimated Future Benefit Payments (Details)
$ in Millions
Dec. 31, 2020
USD ($)
Pension Plans  
Defined Benefit Plan Disclosure [Line Items]  
2021 $ 46.5
2022 43.9
2023 42.4
2024 41.6
2025 40.9
Years 2026 to 2030 187.4
Other Post-Retirement Benefit Plans  
Defined Benefit Plan Disclosure [Line Items]  
2021 1.5
2022 1.5
2023 1.4
2024 1.3
2025 1.2
Years 2026 to 2030 $ 4.7