Goodwill and Other Intangible Assets Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Amortization of Intangible Assets	$ 27.6	$ 26.5	$ 22.5
Future Amortization Expense, Year One	27.8
Future Amortization Expense, Year Two	26.9
Future Amortization Expense, Year Three	22.9
Future Amortization Expense, Year Four	21.3
Future Amortization Expense, Year Five	19.5
Amortization Of Acquired Intangible Asset Net Of Tax	26.4	25.5	21.6
Purchased Intangibles, Net of Tax	20.5	19.8	16.3
Capitalized Computer Software, Amortization	$ 44.4	$ 39.6	$ 40.4
Minimum [Member]
Finite-Lived Intangible Assets, Useful Life, Minimum	3 years
Maximum [Member]
Finite-Lived Intangible Assets, Useful Life, Minimum	45 years