XML 166 R125.htm IDEA: XBRL DOCUMENT v3.24.1
Other Expense (Income) (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Analysis of income and expense [abstract]    
Change in closure and decommissioning estimates $ 20.4 $ 4.7
Change in provisions 4.5 5.0
Provisions on supplies and other assets 4.4 0.0
Investment income (16.0) (5.4)
Other expense (income) 8.0 (2.2)
Other operating income (expense) $ 21.3 $ 2.1