Segment Information (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023 USD ($)	Sep. 25, 2022 USD ($)	Sep. 30, 2023 USD ($)	Sep. 25, 2022 USD ($)
Segment Reporting Information [Line Items]
Total revenues	$ 598,345	$ 547,680	$ 1,749,937	$ 1,640,785
Revenues, percent change	0.093		0.067
Adjusted operating profit	$ 89,755	68,977	$ 235,895	206,099
Adjusted operating profit, percent change	0.301		0.145
Other components of net periodic benefit (income)/costs	$ (684)	1,757	$ (2,053)	4,903
Depreciation and amortization	$ 21,475	21,760	$ 64,173	61,150
Depreciation and amortization, percent change	(0.013)		0.049
Severance	$ 3,086	2,010	$ 7,578	4,670
Severance, percent change	53.50%		62.30%
Multiemployer pension plan withdrawal costs	$ 1,397	1,319	$ 3,936	3,734
Multiemployer pension plan withdrawal costs, percent change	0.059		0.054
Acquisition-related costs	$ 0	0	$ 0	34,712
Impairment charges	2,503	0	15,239	0
Multiemployer pension plan liability adjustment	$ (2,273)	(7,127)	$ (2,273)	(7,127)
Multiemployer pension plan liability adjustment, percent change	(68.10%)		(68.10%)
Interest income and other, net	$ 5,736	1,579	$ 13,426	38,258
Interest income and other, net, percent change			(64.90%)
Income before income taxes	$ 69,987	50,837	$ 162,721	142,315
Income before income taxes, percent change	37.70%		14.30%
NYTG
Segment Reporting Information [Line Items]
Total revenues	$ 563,903	524,061	$ 1,657,179	1,585,463
Revenues, percent change	0.076		0.045
Adjusted operating profit	$ 97,654	81,030	$ 262,911	237,572
Adjusted operating profit, percent change	0.205		0.107
The Athletic
Segment Reporting Information [Line Items]
Total revenues	$ 34,442	23,619	$ 92,758	55,322
Revenues, percent change	0.458		0.677
Adjusted operating profit	$ (7,899)	$ (12,053)	$ (27,016)	$ (31,473)
Adjusted operating profit, percent change	(0.345)		(0.142)