XML 62 R52.htm IDEA: XBRL DOCUMENT v3.23.3
Defined Benefit and Postretirement Benefits Contributions by Plan Type (Details)
$ in Millions
9 Months Ended
Sep. 30, 2023
USD ($)
Pension  
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]  
Expected contributions in 2023 $ 18.1
Amounts contributed during the nine months ended September 30, 2023 16.1
Postretirement  
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]  
Expected contributions in 2023 0.5
Amounts contributed during the nine months ended September 30, 2023 $ 0.0