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Income Taxes - Additional Information (Detail) - USD ($) $ in Millions | 6 Months Ended |
--- | --- | ---
Jun. 30, 2024 | Dec. 31, 2023
Income Tax Contingency [Line Items] |  |
Unrecognized tax benefits would impact effective tax rate if recognized | $ 11.9 |
Unrecognized tax benefit | 11.9 | $ 14.8
Increase to income tax expense | 0.5 |
Italian Tax Authorities [Member] |  |
Income Tax Contingency [Line Items] |  |
Unrecognized tax benefit | 3.4 |
United Kingdom [Member] | Foreign [Member] | Profit Diversion Compliance Facility [Member] |  |
Income Tax Contingency [Line Items] |  |
Income tax examination penalties and interest expenses | 1.2 |
Decrease in uncertain tax positions | 1.2 |
United States [Member] |  |
Income Tax Contingency [Line Items] |  |
Unrecognized tax benefit | $ 10.7 |
Non-US [Member] |  |
Income Tax Contingency [Line Items] |  |
Open tax year | 2011 2012 2013 2014 |
Non-US [Member] | Historical Impairment Of Subsidiaries [Member] |  |
Income Tax Contingency [Line Items] |  |
Decrease in uncertain tax positions | $ 10.7 |

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