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External-Use Software Development Costs - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Research and Development [Abstract]        
Amortization of capitalized software development costs $ 6.0 $ 7.1 $ 19.1 $ 21.9