Income Tax Expenses (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Income Tax Disclosure [Abstract]
Earnings before income taxes	$ 87.1	$ 80.0	$ 167.3	$ 143.9
Income tax expense	$ 21.2	$ 19.8	$ 41.5	$ 36.4
Effective tax rate	24.30%	24.80%	24.80%	25.30%