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Commitments and contingent liabilities - Additional Information (Detail) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021
Italian parliament legislation |  |
Loss Contingencies [Line Items] |  |
Loss contingency, estimate of possible loss | $ 23.0 |
Loss contingency accrual | 10.9 |
Loss contingency, loss in period | $ 2.6 |
Minimum |  |
Loss Contingencies [Line Items] |  |
Estimated time frame over which accrued amounts may be paid out | 10 years |
Minimum | China investigation, unpaid tariffs |  |
Loss Contingencies [Line Items] |  |
Loss contingency accrual, unpaid tariff, penalties percentage | 30.00% |
Loss contingency, estimate of possible loss | $ 3.0 |
Maximum |  |
Loss Contingencies [Line Items] |  |
Estimated time frame over which accrued amounts may be paid out | 15 years |
Maximum | China investigation, unpaid tariffs |  |
Loss Contingencies [Line Items] |  |
Loss contingency accrual, unpaid tariff, penalties percentage | 200.00% |
Loss contingency, estimate of possible loss | $ 20.0 |
Accrued Liabilities |  |
Loss Contingencies [Line Items] |  |
Waste disposed accrued liability | $ 2.5 | $ 2.0
Environmental Loss Contingency, Statement of Financial Position [Extensible Enumeration] | Other current liabilities | Other current liabilities
Contingency reserve for litigation | $ 0.5 | $ 0.2
Other Liabilities |  |
Loss Contingencies [Line Items] |  |
Waste disposed accrued liability | $ 3.2 | $ 4.1
Environmental Loss Contingency, Statement of Financial Position [Extensible Enumeration] | Other liabilities | Other liabilities

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