Pension Benefits - Schedule of Multiemployer Plans (Details) - Pension Plan $ in Thousands	12 Months Ended
	Dec. 31, 2022 USD ($) collectiveBargainingAgreement	Dec. 26, 2021 USD ($)	Dec. 27, 2020 USD ($)
Pension Benefits
Multiemployer plan, withdrawal obligation	$ 74,000	$ 70,000
Multiemployer plans, withdrawal charges	22,100
Gain on liability adjustment	7,100
Contributions for individually significant plans	2,731	2,764	$ 2,888
Contributions for a plan not individually significant	36	33	24
Total Contributions	2,767	2,797	2,912
CWA/ITU Negotiated Pension Plan
Pension Benefits
Contributions for individually significant plans	$ 328	364	384
Multiemployer Plan, Pension, Significant, Funding Improvement or Rehabilitation Plan, Implementation Status [Fixed List]	Implemented
Multiemployer Plan, Pension, Significant, Surcharge [Fixed List]	No
CWA/ITU Negotiated Pension Plan, Mailers
Pension Benefits
Multiemployer Plan, Pension, Significant, Collective-Bargaining Arrangement, Expiration Date	Mar. 30, 2023
CWA/ITU Negotiated Pension Plan, Typographers
Pension Benefits
Multiemployer Plan, Pension, Significant, Collective-Bargaining Arrangement, Expiration Date	Mar. 30, 2025
Newspaper and Mail Deliverers'-Publishers' Pension Fund
Pension Benefits
Contributions for individually significant plans	$ 804	912	1,010
Number of collective bargaining arrangements | collectiveBargainingAgreement	2
Multiemployer Plan, Pension, Significant, Surcharge [Fixed List]	No
Multiemployer Plan, Pension, Significant, Collective-Bargaining Arrangement, Expiration Date	Mar. 30, 2026
GCIU-Employer Retirement Benefit Plan
Pension Benefits
Contributions for individually significant plans	$ 56	48	65
Multiemployer Plan, Pension, Significant, Funding Improvement or Rehabilitation Plan, Implementation Status [Fixed List]	Implemented
Multiemployer Plan, Pension, Significant, Surcharge [Fixed List]	No
Multiemployer Plan, Pension, Significant, Collective-Bargaining Arrangement, Expiration Date	Mar. 30, 2026
Pressmen's Publishers' Pension Fund
Pension Benefits
Contributions for individually significant plans	$ 1,447	1,337	1,328
Collective bargaining agreement, actuarial calculation, period for smoothing investment losses (in years)	10 years
Multiemployer Plan, Pension, Significant, Surcharge [Fixed List]	No
Multiemployer Plan, Pension, Significant, Collective-Bargaining Arrangement, Expiration Date	Mar. 30, 2027
Paper Handlers’-Publishers’ Pension Fund
Pension Benefits
Contributions for individually significant plans	$ 96	$ 103	$ 101
Multiemployer Plan, Pension, Significant, Funding Improvement or Rehabilitation Plan, Implementation Status [Fixed List]	Implemented
Multiemployer Plan, Pension, Significant, Surcharge [Fixed List]	Yes
Multiemployer Plan, Pension, Significant, Collective-Bargaining Arrangement, Expiration Date	Mar. 30, 2026