Pension Plans - Summary of Fair Value by Asset Category and Within Fair Value Hierarchy (Detail) - USD ($) $ in Millions	Dec. 28, 2019	Dec. 29, 2018	Dec. 30, 2017
Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 1,455.5	$ 1,215.6	$ 1,305.0
United States
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	1,260.5	1,049.0
United States | Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	1,260.5	1,049.0
United States | Cash and cash equivalents | Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	25.6	17.8
United States | Domestic | Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	95.1	70.5
United States | Foreign | Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	58.4	87.5
United States | Commingled funds – domestic | Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	263.6	200.6
United States | Commingled funds – foreign | Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	209.4	128.4
United States | Private equity partnerships | Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	17.4	22.7
United States | Government | Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	146.7	133.8
United States | Corporate bonds | Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	327.7	271.3
United States | Real estate and other real assets | Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	8.8	11.9
United States | Hedge funds | Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	107.8	104.5
Foreign Pension Plans | Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	195.0	166.6
Foreign Pension Plans | Cash and cash equivalents | Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0.9	1.2
Foreign Pension Plans | Government | Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	10.1	8.3
Foreign Pension Plans | Corporate bonds | Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	21.4	17.5
Foreign Pension Plans | Hedge funds | Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		14.3
Foreign Pension Plans | Commingled funds – multi-strategy | Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	135.5	101.5
Foreign Pension Plans | Insurance contracts | Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	27.1	23.8
Quoted Prices for Identical Assets (Level 1)   | United States | Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	323.1	307.0
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	25.6	17.8
Quoted Prices for Identical Assets (Level 1)   | United States | Domestic | Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	95.1	70.5
Quoted Prices for Identical Assets (Level 1)   | United States | Foreign | Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	58.4	87.5
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	144.0	131.2
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	11.0	9.5
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	0.9	1.2
Quoted Prices for Identical Assets (Level 1)   | Foreign Pension Plans | Government | Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	10.1	8.3
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 | Hedge funds | Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		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
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
Significant Other Observable Inputs (Level 2)   | United States | Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	330.4	273.9
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	2.7	2.6
Significant Other Observable Inputs (Level 2)   | United States | Corporate bonds | Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	327.7	271.3
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	48.5	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	21.4	17.5
Significant Other Observable Inputs (Level 2)   | Foreign Pension Plans | Hedge funds | Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		0.0
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
Significant Other Observable Inputs (Level 2)   | Foreign Pension Plans | Insurance contracts | Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	27.1	23.8
Investments Measured at NAV | United States | Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	607.0	468.1
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	263.6	200.6
Investments Measured at NAV | United States | Commingled funds – foreign | Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	209.4	128.4
Investments Measured at NAV | United States | Private equity partnerships | Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	17.4	22.7
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	8.8	11.9
Investments Measured at NAV | United States | Hedge funds | Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	107.8	104.5
Investments Measured at NAV | Foreign Pension Plans | Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	135.5	115.8
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 | Hedge funds | Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		14.3
Investments Measured at NAV | Foreign Pension Plans | Commingled funds – multi-strategy | Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	135.5	101.5
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