v3.25.4

Postretirement Plans - Schedule of Fair Value by Asset Category and Level Within Fair Value Hierarchy (Details) - U.S. Postretirement Health Care Plans - USD ($) $ in Millions	Jan. 03, 2026	Dec. 28, 2024	Dec. 30, 2023
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 12.4	$ 11.6	$ 11.4
Cash and cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0.1	0.2
Debt securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	5.1	5.0
Equity securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	3.9	3.3
Hedge fund
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	3.3	3.1
Quoted Prices for Identical Assets (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	5.2	5.2
Quoted Prices for Identical Assets (Level 1)   | Cash and cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0.1	0.2
Quoted Prices for Identical Assets (Level 1)   | Debt securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	5.1	5.0
Quoted Prices for Identical Assets (Level 1)   | Equity securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0.0	0.0
Quoted Prices for Identical Assets (Level 1)   | Hedge fund
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0.0	0.0
Investments Measured at NAV
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	7.2	6.4
Investments Measured at NAV | Cash and cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0.0	0.0
Investments Measured at NAV | Debt securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0.0	0.0
Investments Measured at NAV | Equity securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	3.9	3.3
Investments Measured at NAV | Hedge fund
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 3.3	$ 3.1

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