Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Effective income tax	22.60%	23.30%	23.80%	22.40%
Effective income tax reconciliation, tax credits, amount, home closed in prior Open tax year	$ 20.7		$ 20.7
Deferred tax liabilities	(70.0)		(70.0)		$ (26.5)
Gross unrecognized tax benefits	23.5		23.5		22.5
Accrued interest and penalties on unrecognized tax benefits	$ 3.8		$ 3.8		$ 2.9