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Pensions and other postretirement benefit plans - Narrative (Details) - USD ($) $ in Millions | 6 Months Ended | 24 Months Ended
--- | --- | ---
Jun. 30, 2024 | Sep. 30, 2024
Gannett Retirement Plan |  |
Defined Benefit Plan Disclosure |  |
Current funding status (as a percent) | 100.00% |
Forecast | Gannett Retirement Plan |  |
Defined Benefit Plan Disclosure |  |
Defined benefit plan required funding status |  | 100.00%
Expected future employer contributions, quarterly certification funding requirement |  | $ 1.0
Defined benefit plan, expected future employee contributions, quarterly certification funding requirement term |  | 60 days
Expected future employer contributions, quarterly certification funding requirement (maximum) |  | $ 5.0
Pension benefits |  |
Defined Benefit Plan Disclosure |  |
Contribution to the defined benefit plans | $ 7.0 |
Postretirement benefits |  |
Defined Benefit Plan Disclosure |  |
Contribution to the defined benefit plans | $ 2.7 |

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