Income Taxes - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Taxes [Line Items]
Tax benefits recognized for net operating loss carryforwards	$ 8.3	$ 118.2	$ 3.9
Net operating loss carryforwards	371.9
Deferred tax asset related to operating loss carryforwards	101.1
Valuation allowance	$ 1.6	2.3
Carryforward description	The carryforward periods range from four years to indefinite, subject to certain limitations under applicable laws.
Cash paid for income taxes	$ 1,318.7	1,499.3	932.1
Unrecognized tax benefits	38.9	31.2	27.8	$ 26.0
Expense (income) related to interest	1.1	0.8	0.1
Accrued interest expense and penalties	2.7	$ 1.7	$ 0.9
Unrecognized tax benefits resulting from research and development tax credits	$ 8.0
Tax year remain subject to examination	2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024
Internal Revenue Service (IRS)
Income Taxes [Line Items]
Tax examinations	the United States Internal Revenue Service has completed examinations of the Company’s tax returns for all years through 2016.
Net Operating Loss Carryforwards
Income Taxes [Line Items]
Valuation allowance	$ 1.6
Minimum
Income Taxes [Line Items]
Operating loss carryforwards periods	4 years
Foreign
Income Taxes [Line Items]
Net operating loss carryforwards	$ 299.3
United States
Income Taxes [Line Items]
Net operating loss carryforwards	$ 72.6