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Goodwill and Other Intangible Assets - Changes in Goodwill by Segment (Details) $ in Thousands | 6 Months Ended
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Jul. 04, 2021 USD ($)
Goodwill [Roll Forward] |  |
Goodwill at December 31, 2020 | $ 1,389,255 | [1]
2021 Acquisitions | 917 |
Dispositions | (53,039) |
Foreign currency translation | (5,245) |
Measurement period adjustments | 1,512 |
Goodwill at July 4, 2021 | 1,333,400 |
Consumer Packaging |  |
Goodwill [Roll Forward] |  |
Goodwill at December 31, 2020 | 592,310 |
2021 Acquisitions | 0 |
Dispositions | 0 |
Foreign currency translation | (2,065) |
Measurement period adjustments | 1,512 |
Goodwill at July 4, 2021 | 591,757 |
Industrial Paper Packaging |  |
Goodwill [Roll Forward] |  |
Goodwill at December 31, 2020 | 317,958 |
2021 Acquisitions | 917 |
Dispositions | 0 |
Foreign currency translation | (2,958) |
Measurement period adjustments | 0 |
Goodwill at July 4, 2021 | 315,917 |
All Other |  |
Goodwill [Roll Forward] |  |
Goodwill at December 31, 2020 | 478,987 |
2021 Acquisitions | 0 |
Dispositions | (53,039) |
Foreign currency translation | (222) |
Measurement period adjustments | 0 |
Goodwill at July 4, 2021 | $ 425,726 |
[1] | The year-end condensed consolidated balance sheet data was derived from audited financial statements, but does not include all disclosures required by accounting principles generally accepted in the United States of America.

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