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Other Financial Information (Narrative) (Details) - USD ($)
$ in Millions
9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Organization, Consolidation and Presentation of Financial Statements [Abstract]    
Cash income taxes paid (collected), net of refunds $ 94.5 $ 141.5
Interest paid, net of amounts capitalized $ 75.3 $ 66.2