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Commitments and contingent liabilities (Detail) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2024 USD ($)
Loss Contingencies [Line Items] |
Estimated litigation liability | $ 0.3
Palette Life Sciences AB |
Loss Contingencies [Line Items] |
Loss contingency accrual | 3.5
Italian Parliament Legislation |
Loss Contingencies [Line Items] |
Loss contingency accrual | 15.1
Loss contingency, loss in period | 0.9
Loss contingency, estimate of possible loss | 23.3
Mexican Federal Tax Administration Service |
Loss Contingencies [Line Items] |
Loss contingency, loss in period | $ 0.0
Minimum |
Loss Contingencies [Line Items] |
Estimated time frame over which accrued amounts may be paid out | 10 years
Maximum |
Loss Contingencies [Line Items] |
Estimated time frame over which accrued amounts may be paid out | 15 years
Accrued liabilities |
Loss Contingencies [Line Items] |
Accrual for environmental loss contingencies | $ 3.0
Other liability |
Loss Contingencies [Line Items] |
Accrual for environmental loss contingencies | $ 2.1

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