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Goodwill and Other Intangible Assets (Narrative) (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Finite-Lived Intangible Assets [Line Items]      
Amortization of intangibles $ 57.7 $ 60.1 $ 61.1
Estimated amortization of intangible assets for 2024 57.5    
Estimated amortization of intangible assets for 2025 53.5    
Estimated amortization of intangible assets for 2026 24.9    
Estimated amortization of intangible assets for 2027 20.7    
Estimated amortization of intangible assets for 2028 15.4    
External-use software, net 6.3 3.4  
Amortization costs of external-use software 1.8    
Intangible Assets excluding Intellectual Property      
Finite-Lived Intangible Assets [Line Items]      
Amortization of intangibles $ 57.7 $ 60.1 $ 60.9