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Commitments and contingent liabilities (Detail) $ in Millions | 6 Months Ended
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Jun. 26, 2022 USD ($)
Loss Contingencies [Line Items] |
Estimated litigation liability | $ 0.3
Minimum |
Loss Contingencies [Line Items] |
Estimated time frame over which accrued amounts may be paid out | 10 years
Minimum | China Investigation Penalties For Tariffs And Related Interest |
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 Penalties For Tariffs And Related Interest |
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] |
Accrual for environmental loss contingencies | 2.0
Other Liability |
Loss Contingencies [Line Items] |
Accrual for environmental loss contingencies | $ 4.6

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