Income Taxes - Narrative (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Tax Credit Carryforward [Line Items]
Provision for income taxes	$ 430.3	$ 464.8	$ 418.3
Effective income tax rate reconciliation, percent	24.40%	23.10%	25.70%
Effective income tax rate reconciliation, prior year income taxes, amount		$ 26.8	$ 26.8
Unrecognized tax benefit	$ 40.7	25.3	22.4	$ 25.3
Increase in net income from recognition of unrecognized tax benefits	37.4	23.9
Interest and penalties, net of tax, included in the provision (benefit) for income taxes	11.1	0.4	$ 1.2
Income tax examination, penalties and interest accrued	22.2	9.2
Valuation allowance	95.3	68.2
State and Local Jurisdiction
Tax Credit Carryforward [Line Items]
Valuation allowance	0.4	0.4
Net operating loss carryforwards	0.4	0.4
Foreign Tax Authority
Tax Credit Carryforward [Line Items]
Valuation allowance	$ 94.9	$ 67.8