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Restructuring and asset impairment - Additional Information (Details) $ in Thousands |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jul. 01, 2022 USD ($) | Dec. 31, 2022 USD ($) position | Dec. 31, 2022 USD ($) manufacturing_plant position | Dec. 31, 2021 USD ($) position | Dec. 31, 2020 USD ($)
Disposal Group, Including Discontinued Operations [Line Items] |  |  |  |  |
Future additional charges expected to be recognized |  | $ 8,400 | $ 8,400 |  |
Other asset impairments |  |  | 10,095 | $ 5,034 | $ 77,851
Impact of new accounting pronouncements |  |  |  |  |
Disposal Group, Including Discontinued Operations [Line Items] |  |  |  |  |
Other asset impairments | $ 3,747 |  |  |  |
All Other |  |  |  |  |
Disposal Group, Including Discontinued Operations [Line Items] |  |  |  |  |
Other asset impairments |  |  | 9,165 |  |
Consumer Packaging |  |  |  |  |
Disposal Group, Including Discontinued Operations [Line Items] |  |  |  |  |
Other asset impairments |  |  | $ 930 |  |
Consumer Packaging |  |  |  |  |
Disposal Group, Including Discontinued Operations [Line Items] |  |  |  |  |
Other asset impairments |  |  |  | 2,635 |
Other Segments |  |  |  |  |
Disposal Group, Including Discontinued Operations [Line Items] |  |  |  |  |
Other asset impairments |  |  |  | $ 2,399 |
Industrial Paper Packaging |  |  |  |  |
Disposal Group, Including Discontinued Operations [Line Items] |  |  |  |  |
Number of small tube and core plants | manufacturing_plant |  |  | 2 |  |
Organizational Effectiveness Efforts |  |  |  |  |
Disposal Group, Including Discontinued Operations [Line Items] |  |  |  |  |
Elimination of positions due to realignment of cost structure (position) | position |  | 180 | 180 | 315 |
Asset impairments |  | $ 3,620 |  |  |

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