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Integration and reorganization costs, and asset impairments - Schedule of Severance-Related Expenses (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Restructuring Cost and Reserve
Integration and reorganization costs	$ 15,708	$ 17,307	$ 37,524	$ 54,963
Severance
Restructuring Cost and Reserve
Integration and reorganization costs	12,491	4,417	26,856	14,100
Operating Segments | Domestic Gannett Media | Severance
Restructuring Cost and Reserve
Integration and reorganization costs	9,797	3,064	20,446	11,257
Operating Segments | Newsquest | Severance
Restructuring Cost and Reserve
Integration and reorganization costs	211	84	706	496
Operating Segments | Digital Marketing Solutions | Severance
Restructuring Cost and Reserve
Integration and reorganization costs	611	1,026	1,728	1,135
Corporate | Severance
Restructuring Cost and Reserve
Integration and reorganization costs	$ 1,872	$ 243	$ 3,976	$ 1,212

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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