Income Taxes - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Tax Contingency [Line Items]
Unrecognized tax benefits would impact effective tax rate if recognized	$ 14.8
Unrecognized tax benefit	14.8	$ 13.4	$ 16.3	$ 16.0
Income tax examination interest expense	0.1
Increase to income tax expense	0.9
Cash payments for income taxes	54.3	50.0	$ 36.8
Deferred tax assets valuation allowance	0.1	$ 0.7
Foreign exchange movements	0.1
Italian Tax Authorities [Member]
Income Tax Contingency [Line Items]
Unrecognized tax benefit	3.4
Foreign [Member] | Indefinitely [Member]
Income Tax Contingency [Line Items]
Operating loss carry forwards	8.9
United Kingdom [Member] | Foreign [Member] | Profit Diversion Compliance Facility [Member]
Income Tax Contingency [Line Items]
Income tax examination interest expense	0.1
Decrease in uncertain tax positions	(1.2)
Foreign exchange movements	0.1
Income tax examination penalties and interest expenses	1.2
United States [Member]
Income Tax Contingency [Line Items]
Unrecognized tax benefit	10.2
United States [Member] | Federal [Member] | Indefinitely [Member]
Income Tax Contingency [Line Items]
Operating loss carry forwards	$ 0.3
Non-US [Member] | Earliest Tax Year [Member]
Income Tax Contingency [Line Items]
Open tax year	2011
Non-US [Member] | Latest Tax Year [Member]
Income Tax Contingency [Line Items]
Open tax year	2014
Non-US [Member] | Historical Impairment Of Subsidiaries [Member]
Income Tax Contingency [Line Items]
Increase in uncertain tax positions	$ 0.1
Decrease in uncertain tax positions	$ (10.2)