Income Tax Expenses (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Income Tax Disclosure [Abstract]
Earnings from continuing operations before income taxes	$ 59.4	$ 49.7
Income tax expense	$ 15.0	$ 12.2
Effective tax rate	25.30%	24.60%