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Pension Plans - Schedule of Fair Value by Asset Category and Within Fair Value Hierarchy (Detail) - USD ($) $ in Millions | Dec. 30, 2023 | Dec. 31, 2022 | Jan. 01, 2022
--- | --- | --- | ---
Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | $ 1,333.9 | $ 1,241.7 | $ 1,710.9
United States |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | $ 1,143.7 | $ 1,074.9 |
Target allocation | 100.00% |  |
Actual weighted-average asset allocation | 100.00% | 100.00% |
United States | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | $ 1,143.7 | $ 1,074.9 |
United States | Cash and cash equivalents | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 12.2 | 14.3 |
United States | Domestic | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 72.9 | 67.1 |
United States | Foreign | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 1.5 | 39.2 |
United States | Commingled funds – domestic | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 203.8 | 189.1 |
United States | Commingled funds – foreign | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 233.3 | 180.6 |
United States | Private equity partnerships | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 9.1 | 11.0 |
United States | Government | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 167.4 | 164.7 |
United States | Corporate bonds | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 350.4 | 319.7 |
United States | Real estate and other real assets | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | $ 0.7 | $ 2.5 |
United States | Hedge funds |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Target allocation | 5.00% |  |
Actual weighted-average asset allocation | 8.00% | 8.00% |
United States | Hedge funds | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | $ 92.4 | $ 86.7 |
United States | Equity securities |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Target allocation | 49.00% |  |
Actual weighted-average asset allocation | 46.00% | 45.00% |
United States | Debt securities and cash and cash equivalents |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Target allocation | 46.00% |  |
Actual weighted-average asset allocation | 46.00% | 47.00% |
Foreign Pension Plans | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | $ 190.2 | $ 166.8 |
Target allocation | 100.00% |  |
Actual weighted-average asset allocation | 100.00% | 100.00% |
Foreign Pension Plans | Cash and cash equivalents | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | $ 1.9 | $ 0.5 |
Foreign Pension Plans | Government | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 20.4 | 11.6 |
Foreign Pension Plans | Corporate bonds | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | $ 26.3 | $ 23.1 |
Foreign Pension Plans | Equity securities | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Target allocation | 29.00% |  |
Actual weighted-average asset allocation | 30.00% | 40.00% |
Foreign Pension Plans | Debt securities and cash and cash equivalents | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Target allocation | 59.00% |  |
Actual weighted-average asset allocation | 58.00% | 49.00% |
Foreign Pension Plans | Insurance contracts | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | $ 21.8 | $ 18.2 |
Target allocation | 12.00% |  |
Actual weighted-average asset allocation | 12.00% | 11.00% |
Foreign Pension Plans | Commingled funds – multi-strategy | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | $ 119.8 | $ 113.4 |
Quoted Prices for Identical Assets (Level 1) | United States | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 249.2 | 279.3 |
Quoted Prices for Identical Assets (Level 1) | United States | Cash and cash equivalents | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 12.2 | 14.3 |
Quoted Prices for Identical Assets (Level 1) | United States | Domestic | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 72.9 | 67.1 |
Quoted Prices for Identical Assets (Level 1) | United States | Foreign | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 1.5 | 39.2 |
Quoted Prices for Identical Assets (Level 1) | United States | Commingled funds – domestic | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0.0 | 0.0 |
Quoted Prices for Identical Assets (Level 1) | United States | Commingled funds – foreign | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0.0 | 0.0 |
Quoted Prices for Identical Assets (Level 1) | United States | Private equity partnerships | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0.0 | 0.0 |
Quoted Prices for Identical Assets (Level 1) | United States | Government | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 162.6 | 158.7 |
Quoted Prices for Identical Assets (Level 1) | United States | Corporate bonds | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0.0 | 0.0 |
Quoted Prices for Identical Assets (Level 1) | United States | Real estate and other real assets | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0.0 | 0.0 |
Quoted Prices for Identical Assets (Level 1) | United States | Hedge funds | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0.0 | 0.0 |
Quoted Prices for Identical Assets (Level 1) | Foreign Pension Plans | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 22.3 | 12.1 |
Quoted Prices for Identical Assets (Level 1) | Foreign Pension Plans | Cash and cash equivalents | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 1.9 | 0.5 |
Quoted Prices for Identical Assets (Level 1) | Foreign Pension Plans | Government | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 20.4 | 11.6 |
Quoted Prices for Identical Assets (Level 1) | Foreign Pension Plans | Corporate bonds | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0.0 | 0.0 |
Quoted Prices for Identical Assets (Level 1) | Foreign Pension Plans | Insurance contracts | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0.0 | 0.0 |
Quoted Prices for Identical Assets (Level 1) | Foreign Pension Plans | Commingled funds – multi-strategy | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0.0 | 0.0 |
Significant Other Observable Inputs (Level 2) | United States | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 355.2 | 325.7 |
Significant Other Observable Inputs (Level 2) | United States | Cash and cash equivalents | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0.0 | 0.0 |
Significant Other Observable Inputs (Level 2) | United States | Domestic | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0.0 | 0.0 |
Significant Other Observable Inputs (Level 2) | United States | Foreign | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0.0 | 0.0 |
Significant Other Observable Inputs (Level 2) | United States | Commingled funds – domestic | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0.0 | 0.0 |
Significant Other Observable Inputs (Level 2) | United States | Commingled funds – foreign | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0.0 | 0.0 |
Significant Other Observable Inputs (Level 2) | United States | Private equity partnerships | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0.0 | 0.0 |
Significant Other Observable Inputs (Level 2) | United States | Government | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 4.8 | 6.0 |
Significant Other Observable Inputs (Level 2) | United States | Corporate bonds | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 350.4 | 319.7 |
Significant Other Observable Inputs (Level 2) | United States | Real estate and other real assets | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0.0 | 0.0 |
Significant Other Observable Inputs (Level 2) | United States | Hedge funds | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0.0 | 0.0 |
Significant Other Observable Inputs (Level 2) | Foreign Pension Plans | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 48.1 | 41.3 |
Significant Other Observable Inputs (Level 2) | Foreign Pension Plans | Cash and cash equivalents | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0.0 | 0.0 |
Significant Other Observable Inputs (Level 2) | Foreign Pension Plans | Government | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0.0 | 0.0 |
Significant Other Observable Inputs (Level 2) | Foreign Pension Plans | Corporate bonds | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 26.3 | 23.1 |
Significant Other Observable Inputs (Level 2) | Foreign Pension Plans | Insurance contracts | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 21.8 | 18.2 |
Significant Other Observable Inputs (Level 2) | Foreign Pension Plans | Commingled funds – multi-strategy | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0.0 | 0.0 |
Investments Measured at NAV | United States | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 539.3 | 469.9 |
Investments Measured at NAV | United States | Cash and cash equivalents | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0.0 | 0.0 |
Investments Measured at NAV | United States | Domestic | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0.0 | 0.0 |
Investments Measured at NAV | United States | Foreign | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0.0 | 0.0 |
Investments Measured at NAV | United States | Commingled funds – domestic | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 203.8 | 189.1 |
Investments Measured at NAV | United States | Commingled funds – foreign | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 233.3 | 180.6 |
Investments Measured at NAV | United States | Private equity partnerships | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 9.1 | 11.0 |
Investments Measured at NAV | United States | Government | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0.0 | 0.0 |
Investments Measured at NAV | United States | Corporate bonds | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0.0 | 0.0 |
Investments Measured at NAV | United States | Real estate and other real assets | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0.7 | 2.5 |
Investments Measured at NAV | United States | Hedge funds | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 92.4 | 86.7 |
Investments Measured at NAV | Foreign Pension Plans | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 119.8 | 113.4 |
Investments Measured at NAV | Foreign Pension Plans | Cash and cash equivalents | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0.0 | 0.0 |
Investments Measured at NAV | Foreign Pension Plans | Government | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0.0 | 0.0 |
Investments Measured at NAV | Foreign Pension Plans | Corporate bonds | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0.0 | 0.0 |
Investments Measured at NAV | Foreign Pension Plans | Insurance contracts | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | 0.0 | 0.0 |
Investments Measured at NAV | Foreign Pension Plans | Commingled funds – multi-strategy | Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair value of plan assets | $ 119.8 | $ 113.4 |

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