Goodwill and Other Intangible Assets - Identified Intangible Assets (Details) - USD ($) $ in Thousands	Sep. 24, 2023	Sep. 25, 2022
Non-amortized intangible assets:
Mastheads	$ 18,675	$ 26,346
Amortizable intangible assets:
Other intangible assets, net	94,988	121,373
Customer and Newspaper Subscriber Lists
Amortizable intangible assets:
Amortizable intangible assets, gross	306,766	323,568
Less accumulated amortization	(230,453)	(228,541)
Amortizable intangibles assets, net	$ 76,313	$ 95,027