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Pension Plans - Narrative (Detail) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 28, 2024 | Dec. 30, 2023 | Dec. 31, 2022
Defined Benefit Plan Disclosure [Line Items] |  |  |
Normal retirement age | 65 years |  |
Accumulated benefit obligation | $ 1,219.5 | $ 1,239.0 |
Expense recognized related to 401(k)plan | $ 12.4 | $ 12.3 | $ 11.8
Minimum |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Time horizon for asset under risk and correlation assumption (in years) | 10 years |  |
Maximum |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Time horizon for asset under risk and correlation assumption (in years) | 20 years |  |
Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Discount rate | 5.30% | 5.40% | 2.80%
Expected long-term rate of return on plan assets | 7.30% | 7.40% | 6.20%
United States |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Increase in pension expense | $ 3.0 |  |
Increase in projected benefit obligation | $ 46.4 |  |
Percentage of projected benefit obligations | 85.00% |  |
United States | Weighted Average |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Discount rate | 5.60% |  |
United States | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Expected future employer contributions | $ 6.5 |  |
Expected long-term rate of return on plan assets | 7.50% |  |
Pension plans' assets as percentage of worldwide pension assets | 86.00% |  |
Foreign Pension Plans |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Increase in pension expense | $ 1.0 |  |
Increase in projected benefit obligation | $ 12.3 |  |
Foreign Pension Plans | Weighted Average |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Discount rate | 4.60% |  |
Foreign Pension Plans | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Expected future employer contributions | $ 4.3 |  |
Foreign Pension Plans | Pension Plan | Minimum |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Expected long-term rate of return on plan assets | 2.20% |  |
Foreign Pension Plans | Pension Plan | Maximum |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Expected long-term rate of return on plan assets | 6.40% |  |

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