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Pension Plans - Narratve (Detail) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 28, 2019 | Dec. 29, 2018 | Dec. 30, 2017
Defined Benefit Plan Disclosure [Line Items] |  |  |
Normal retirement age | 65 years |  |
Accumulated benefit obligation | $ 1,478.0 | $ 1,316.1 |
Expense recognized related to 401(k)plan | $ 9.8 | $ 9.4 | $ 8.9
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 |  |
United States |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Weighted-average discount rate | 3.40% |  |
Increase in pension expense | $ 4.3 |  |
Increase in projected benefit obligation | $ 74.2 |  |
Percentage of projected benefit obligations | 83.00% |  |
Foreign Pension Plans |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Weighted-average discount rate | 2.10% |  |
Increase in pension expense | $ 1.6 |  |
Increase in projected benefit obligation | $ 26.8 |  |
Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Expected long-term rate of return on plan assets | 7.10% | 7.10% | 7.20%
Pension Plan | United States |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Expected future employer contributions | $ 2.9 |  |
Expected long-term rate of return on plan assets | 7.25% |  |
Pension plans' assets as percentage of worldwide pension assets | 87.00% |  |
Pension Plan | Foreign Pension Plans |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Expected future employer contributions | $ 8.7 |  |
Pension Plan | Foreign Pension Plans | Minimum |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Expected long-term rate of return on plan assets | 1.30% |  |
Pension Plan | Foreign Pension Plans | Maximum |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Expected long-term rate of return on plan assets | 5.70% |  |

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