Benefit Plans - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 25, 2021	Dec. 26, 2020
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Actuarial net loss	$ 500
Payable maximum period to be considered current	12 months
Ultimate health care cost trend rate	4.10%
Minimum
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Annual assumed rate of increase in the per capita cost of covered benefits	4.70%
Maximum
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Annual assumed rate of increase in the per capita cost of covered benefits	7.20%
Pension Benefits
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Total plan assets (as a percent)	100.00%	100.00%
Expected long-term rate of return on plan assets	5.51%	4.96%
Pension Benefits | Equity securities (includes equity mutual funds)
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Total plan assets (as a percent)	67.00%	66.00%
Pension Benefits | Alternative investments
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Total plan assets (as a percent)	10.00%	10.00%
Pension Benefits | Maximum | Equity securities (includes equity mutual funds)
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Total plan assets (as a percent)	70.00%
Pension Benefits | Maximum | Alternative investments
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Total plan assets (as a percent)	10.00%
Other Benefits
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Curtailment gain	$ 1,756	$ 0	$ 2,591