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Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
Income Taxes (Details) - USD ($) $ in Millions	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Tax Credit Carryforward [Line Items]
Effective tax rate	22.20%	22.40%	23.80%	24.10%
Cash paid (refunded) for income taxes			$ 78.9	$ 54.3
Liability for penalties	$ 0.3		0.3
Liability for interest related to uncertain tax positions	14.3		14.3
State Loss Carryforwards
Tax Credit Carryforward [Line Items]
Deferred tax assets, valuation allowance	43.0		43.0
Foreign Jurisdiction Tax Credits
Tax Credit Carryforward [Line Items]
Deferred tax assets, valuation allowance	4.0		4.0
Series of Individually Immaterial Business Acquisitions
Tax Credit Carryforward [Line Items]
Deferred income tax liabilities	$ 151.0	$ 0.0	$ 151.0	$ 0.0