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Cloud Computing Costs (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Dec. 31, 2024
Research and Development [Abstract]          
Short-term portion $ 42.4   $ 42.4   $ 31.7
Long-term portion 149.3   149.3   135.3
Total capitalized implementation costs 191.7   191.7   167.0
Less: accumulated amortization (86.2)   (86.2)   (62.4)
Capitalized implementation costs, net 105.5   105.5   $ 104.6
Capitalized implementation costs, amortization $ 8.4 $ 6.9 $ 23.9 $ 19.5