Retirement Benefits - Schedule of Actuarial Assumptions Used to Develop the Components (Details)	12 Months Ended
	Dec. 28, 2025	Dec. 29, 2024	Dec. 31, 2023
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Discount rate	5.85%	5.60%
Rate of increase in future compensation levels	5.00%	3.00%	3.00%
Weighted average expected long-term rate of return on assets	5.80%	5.80%
Pension Benefits | Minimum
Defined Benefit Plan Disclosure [Line Items]
Discount rate			5.55%
Weighted average expected long-term rate of return on assets			5.80%
Pension Benefits | Maximum
Defined Benefit Plan Disclosure [Line Items]
Discount rate			6.40%
Weighted average expected long-term rate of return on assets			6.57%
Other Postretirement Benefits
Defined Benefit Plan Disclosure [Line Items]
Discount rate	5.60%	5.40%	5.45%
Rate of increase in future compensation levels	0.00%	0.00%	0.00%
Weighted average expected long-term rate of return on assets	0.00%	0.00%	0.00%