XML 77 R80.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Pension and Other Post-retirement Benefits Estimated Future Annual Benefit Payments From Plan Assets (Details)
$ in Millions
Dec. 31, 2019
USD ($)
Pension Benefits  
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]  
2020 $ 45.0
2021 45.0
2022 44.6
2023 44.2
2024 43.9
2025 through 2029 213.6
Other Postretirement Benefits Plan  
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]  
2020 1.5
2021 1.4
2022 1.3
2023 1.3
2024 1.3
2025 through 2029 $ 5.3