v3.25.1
Commitments and contingent liabilities (Detail)
$ in Millions
 3 Months Ended
Mar. 30, 2025
USD ($)
Loss Contingencies [Line Items]  
Estimated litigation liability $ 0.8
Italian Parliament Legislation  
Loss Contingencies [Line Items]  
Loss contingency, loss in period 2.1
Loss contingency accrual 38.7
Palette Life Sciences AB  
Loss Contingencies [Line Items]  
Loss contingency accrual $ 3.5
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 $ 0.5
Other liability  
Loss Contingencies [Line Items]  
Accrual for environmental loss contingencies $ 3.3