Income Tax Expenses (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Income Tax Disclosure [Abstract]
Earnings before income taxes	$ 103.8	$ 93.7	$ 271.1	$ 237.6
Income tax expense	$ 26.9	$ 24.2	$ 68.4	$ 60.6
Effective tax rate	25.90%	25.80%	25.20%	25.50%