Income Taxes - Narrative (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Tax Credit Carryforward [Line Items]
Provision for income taxes	$ 464,800,000	$ 418,300,000	$ 451,900,000
Effective income tax rate reconciliation, percent	23.10%	25.70%	23.20%
Effective income tax rate reconciliation, prior year income taxes, amount	$ 26,800,000
Unrecognized tax benefit	25,300,000	$ 22,400,000	$ 25,300,000	$ 21,900,000
Increase in net income from recognition of unrecognized tax benefits	23,900,000	20,700,000
Interest and penalties, net of tax, included in the provision (benefit) for income taxes	400,000	1,200,000	$ 1,300,000
Income tax examination, penalties and interest accrued	9,200,000	9,600,000
Valuation allowance	68,200,000	55,200,000
State and Local Jurisdiction
Tax Credit Carryforward [Line Items]
Net operating loss carryforwards	400,000	500,000
Valuation allowance	400,000	500,000
Foreign Tax Authority
Tax Credit Carryforward [Line Items]
Valuation allowance	$ 67,800,000	$ 54,700,000