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Other (Income) Expense, Net - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended 9 Months Ended
Sep. 30, 2023
Jun. 30, 2023
Mar. 31, 2023
Sep. 30, 2022
Jun. 30, 2023
Sep. 30, 2023
Sep. 30, 2022
Other Income and Expenses [Abstract]              
Total loss from remeasurement of benefit plans $ 1.0     $ (4.8)   $ (1.7) $ 37.2
Decrease in liability 6.5         5.2 299.9
Investment losses on plan assets 5.5     73.6   1.7 262.7
Investment on plan assets           5.6  
Lump sum based loss           1.3  
Investment gains on plan assets       68.8      
Gain on insurance proceeds received $ 0.0     $ 1.5 $ 11.3 $ 11.3 $ 1.5
Total Recovery   $ 1.5 $ 9.8