v3.25.4
Pension Plans - Schedule of Fair Value by Asset Category and Within Fair Value Hierarchy (Details) - USD ($)
$ in Millions
Jan. 03, 2026
Dec. 28, 2024
Dec. 30, 2023
Pension Plan      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets $ 1,369.2 $ 1,308.1 $ 1,333.9
United States      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets $ 1,171.5 $ 1,126.3  
Target 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 $ 1,171.5 $ 1,126.3  
United States | Cash and cash equivalents | Pension Plan      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 16.4 23.9  
United States | Domestic | Pension Plan      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 71.6 71.9  
United States | Foreign | Pension Plan      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 45.5 47.9  
United States | Commingled funds – domestic | Pension Plan      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 214.7 212.9  
United States | Commingled funds – foreign | Pension Plan      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 193.4 176.8  
United States | Private equity partnerships | Pension Plan      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 5.0 6.5  
United States | Government | Pension Plan      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 159.0 151.1  
United States | Corporate bonds | Pension Plan      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 352.1 330.9  
United States | Real estate and other real assets | Pension Plan      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets $ 0.7 $ 0.6  
United States | Hedge funds      
Defined Benefit Plan Disclosure [Line Items]      
Target 5.00%    
Actual weighted-average asset allocation 10.00% 9.00%  
United States | Hedge funds | Pension Plan      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets $ 113.1 $ 103.8  
United States | Equity securities      
Defined Benefit Plan Disclosure [Line Items]      
Target 49.00%    
Actual weighted-average asset allocation 45.00% 46.00%  
United States | Debt securities and cash and cash equivalents      
Defined Benefit Plan Disclosure [Line Items]      
Target 46.00%    
Actual weighted-average asset allocation 45.00% 45.00%  
Foreign Pension Plans | Pension Plan      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets $ 197.7 $ 181.8  
Target 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 $ 1.1 $ 1.5  
Foreign Pension Plans | Government | Pension Plan      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 21.0 19.1  
Foreign Pension Plans | Corporate bonds | Pension Plan      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets $ 26.9 $ 24.7  
Foreign Pension Plans | Equity securities | Pension Plan      
Defined Benefit Plan Disclosure [Line Items]      
Target 27.00%    
Actual weighted-average asset allocation 27.00% 29.00%  
Foreign Pension Plans | Debt securities and cash and cash equivalents | Pension Plan      
Defined Benefit Plan Disclosure [Line Items]      
Target 62.00%    
Actual weighted-average asset allocation 62.00% 60.00%  
Foreign Pension Plans | Insurance contracts | Pension Plan      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets $ 21.7 $ 20.7  
Target 11.00%    
Actual weighted-average asset allocation 11.00% 11.00%  
Foreign Pension Plans | Commingled funds – multi-strategy | Pension Plan      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets $ 127.0 $ 115.8  
Quoted Prices for Identical Assets (Level 1)   | United States | Pension Plan      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 289.5 290.9  
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 16.4 23.9  
Quoted Prices for Identical Assets (Level 1)   | United States | Domestic | Pension Plan      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 71.6 71.9  
Quoted Prices for Identical Assets (Level 1)   | United States | Foreign | Pension Plan      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 45.5 47.9  
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 156.0 147.2  
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 22.1 20.6  
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 1.1 1.5  
Quoted Prices for Identical Assets (Level 1)   | Foreign Pension Plans | Government | Pension Plan      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 21.0 19.1  
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 355.1 334.8  
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 3.0 3.9  
Significant Other Observable Inputs (Level 2)   | United States | Corporate bonds | Pension Plan      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 352.1 330.9  
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 48.6 45.4  
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 26.9 24.7  
Significant Other Observable Inputs (Level 2)   | Foreign Pension Plans | Insurance contracts | Pension Plan      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 21.7 20.7  
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 526.9 500.6  
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 214.7 212.9  
Investments Measured at NAV | United States | Commingled funds – foreign | Pension Plan      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 193.4 176.8  
Investments Measured at NAV | United States | Private equity partnerships | Pension Plan      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 5.0 6.5  
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 0.6  
Investments Measured at NAV | United States | Hedge funds | Pension Plan      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 113.1 103.8  
Investments Measured at NAV | Foreign Pension Plans | Pension Plan      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 127.0 115.8  
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 | 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 $ 127.0 $ 115.8