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Retirement Plans and Postretirement Benefit Plans - Schedule of Expected Benefit Payments (Details)
$ in Millions
Dec. 31, 2022
USD ($)
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]  
Expected Future Benefit Payments, Next Twelve Months $ 92.0
Expected Future Benefit Payments, Year Two 29.4
Expected Future Benefit Payments, Year Three 27.7
Expected Future Benefit Payments, Year Four 28.9
Expected Future Benefit Payments, Year Five 35.1
Expected Future Benefit Payments, Five Fiscal Years Thereafter 128.6
Og and E [Member]  
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]  
Expected Future Benefit Payments, Next Twelve Months 80.1
Expected Future Benefit Payments, Year Two 23.1
Expected Future Benefit Payments, Year Three 21.8
Expected Future Benefit Payments, Year Four 23.0
Expected Future Benefit Payments, Year Five 21.3
Expected Future Benefit Payments, Five Fiscal Years Thereafter $ 99.7