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Pension Plans - Summary of Fair Value by Asset Category and Within Fair Value Hierarchy (Detail) - USD ($) $ in Millions | Dec. 29, 2018 | Dec. 30, 2017
--- | --- | ---
United States |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | $ 1,049.0 | $ 1,122.7
United States | Cash and cash equivalents |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 17.8 | 20.6
United States | Domestic |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 70.5 | 73.4
United States | Foreign |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 87.5 | 100.1
United States | Commingled funds – domestic |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 200.6 | 225.0
United States | Commingled funds – foreign |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 128.4 | 148.8
United States | Private equity partnerships |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 22.7 | 27.5
United States | Government |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 133.8 | 155.0
United States | Corporate bonds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 271.3 | 253.0
United States | Real estate and other real assets |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 11.9 | 13.2
United States | Hedge funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 104.5 | 106.1
Foreign Pension Plans |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 166.6 | 182.3
Foreign Pension Plans | Cash and cash equivalents |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 1.2 | 0.7
Foreign Pension Plans | Government |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 8.3 | 8.8
Foreign Pension Plans | Corporate bonds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 17.5 | 18.3
Foreign Pension Plans | Hedge funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 14.3 | 16.1
Foreign Pension Plans | Commingled funds – multi-strategy |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 101.5 | 114.2
Foreign Pension Plans | Insurance contracts |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 23.8 | 24.2
Quoted Prices for Identical Assets (Level 1) | United States |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 307.0 | 346.9
Quoted Prices for Identical Assets (Level 1) | United States | Cash and cash equivalents |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 17.8 | 20.6
Quoted Prices for Identical Assets (Level 1) | United States | Domestic |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 70.5 | 73.4
Quoted Prices for Identical Assets (Level 1) | United States | Foreign |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 87.5 | 100.1
Quoted Prices for Identical Assets (Level 1) | United States | Commingled funds – domestic |  |
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 |  |
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 |  |
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 |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 131.2 | 152.8
Quoted Prices for Identical Assets (Level 1) | United States | Corporate bonds |  |
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 |  |
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 |  |
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 |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 9.5 | 9.5
Quoted Prices for Identical Assets (Level 1) | Foreign Pension Plans | Cash and cash equivalents |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 1.2 | 0.7
Quoted Prices for Identical Assets (Level 1) | Foreign Pension Plans | Government |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 8.3 | 8.8
Quoted Prices for Identical Assets (Level 1) | Foreign Pension Plans | Corporate bonds |  |
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 | Hedge funds |  |
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 |  |
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 |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 0.0 | 0.0
Significant Other Observable Inputs (Level 2) | United States |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 273.9 | 255.2
Significant Other Observable Inputs (Level 2) | United States | Cash and cash equivalents |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 0.0 | 0.0
Significant Other Observable Inputs (Level 2) | United States | Domestic |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 0.0 | 0.0
Significant Other Observable Inputs (Level 2) | United States | Foreign |  |
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 |  |
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 |  |
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 |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 0.0 | 0.0
Significant Other Observable Inputs (Level 2) | United States | Government |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 2.6 | 2.2
Significant Other Observable Inputs (Level 2) | United States | Corporate bonds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 271.3 | 253.0
Significant Other Observable Inputs (Level 2) | United States | Real estate and other real assets |  |
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 |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 0.0 | 0.0
Significant Other Observable Inputs (Level 2) | Foreign Pension Plans |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 41.3 | 42.5
Significant Other Observable Inputs (Level 2) | Foreign Pension Plans | Cash and cash equivalents |  |
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 |  |
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 |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 17.5 | 18.3
Significant Other Observable Inputs (Level 2) | Foreign Pension Plans | Hedge funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 0.0 | 0.0
Significant Other Observable Inputs (Level 2) | Foreign Pension Plans | Commingled funds – multi-strategy |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 0.0 | 0.0
Significant Other Observable Inputs (Level 2) | Foreign Pension Plans | Insurance contracts |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 23.8 | 24.2
Investments Measured at NAV | United States |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 468.1 | 520.6
Investments Measured at NAV | United States | Cash and cash equivalents |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 0.0 | 0.0
Investments Measured at NAV | United States | Domestic |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 0.0 | 0.0
Investments Measured at NAV | United States | Foreign |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 0.0 | 0.0
Investments Measured at NAV | United States | Commingled funds – domestic |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 200.6 | 225.0
Investments Measured at NAV | United States | Commingled funds – foreign |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 128.4 | 148.8
Investments Measured at NAV | United States | Private equity partnerships |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 22.7 | 27.5
Investments Measured at NAV | United States | Government |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 0.0 | 0.0
Investments Measured at NAV | United States | Corporate bonds |  |
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 |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 11.9 | 13.2
Investments Measured at NAV | United States | Hedge funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 104.5 | 106.1
Investments Measured at NAV | Foreign Pension Plans |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 115.8 | 130.3
Investments Measured at NAV | Foreign Pension Plans | Cash and cash equivalents |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 0.0 | 0.0
Investments Measured at NAV | Foreign Pension Plans | Government |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 0.0 | 0.0
Investments Measured at NAV | Foreign Pension Plans | Corporate bonds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 0.0 | 0.0
Investments Measured at NAV | Foreign Pension Plans | Hedge funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 14.3 | 16.1
Investments Measured at NAV | Foreign Pension Plans | Commingled funds – multi-strategy |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | 101.5 | 114.2
Investments Measured at NAV | Foreign Pension Plans | Insurance contracts |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets | $ 0.0 | $ 0.0

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