| Fiscal period | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 |
| Period End Date | 12/31/2025 | 12/31/2024 | 12/31/2023 | 12/31/2022 | 12/31/2021 | 12/31/2020 | 12/31/2019 | 12/31/2018 | 12/31/2017 | 12/31/2016 |
| Net Sales | 5,359.80 | 5,392.60 | 5,488.90 | 5,641.90 | 5,533.80 | 4,903.20 | 4,791.10 | 4,732.70 | 4,461.60 | 6,778.30 |
| Net sales: Other | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Net sales: Food Packaging | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Net sales: Food Solutions | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Net sales: Protective Packaging | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Net sales: Diversey | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Total Revenues | 5,359.80 | 5,392.60 | 5,488.90 | 5,641.90 | 5,533.80 | 4,903.20 | 4,791.10 | 4,732.70 | 4,461.60 | 6,778.30 |
| Cost of sales | 3,763.00 | 3,767.50 | 3,847.60 | 3,869.00 | 3,852.90 | 3,293.90 | 3,226.30 | 3,230.60 | 3,044.40 | 4,246.70 |
| Gross Profit | 1,596.80 | 1,625.10 | 1,641.30 | 1,772.90 | 1,680.90 | 1,609.30 | 1,564.80 | 1,502.10 | 1,417.20 | 2,531.60 |
| Goodwill amortization | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Amortization expense of intangible assets acquired | 59.50 | 62.60 | 62.70 | 36.10 | 38.80 | 37.50 | 28.90 | 15.70 | 13.10 | 94.90 |
| Stock appreciation rights expense | -- | -- | -- | -- | -- | -- | -- | -- | -- | (0.10) |
| Marketing, administrative and development expenses | 744.90 | 752.60 | 759.10 | 786.20 | 772.40 | 772.70 | 915.50 | 782.30 | 796.00 | 1,604.50 |
| Restructuring and other charges | 39.90 | 57.80 | 15.60 | 12.10 | 14.50 | 11.00 | 41.90 | 47.80 | 12.10 | 13.20 |
| Impairment of goodwill and other intangible assets | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Costs related to the proposed acquisition of Diversey(1) | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Integration related costs | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Gain (Loss) on sale of businesses and property and equipment | -- | (16.20) | (49.30) | 6.30 | 45.70 | -- | -- | -- | -- | -- |
| Loss on disposal of long-lived assets, net | (26.80) | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Operating Income (Loss) | 725.70 | 735.90 | 754.60 | 944.80 | 900.90 | 788.10 | 578.50 | 656.30 | 596.00 | 819.10 |
| Interest expense | 218.90 | 247.60 | 263.00 | 162.30 | 167.80 | 174.40 | 184.10 | 177.90 | 201.80 | 213.10 |
| Impairment of available-for-sale securities | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Impairment of equity method investment(4) | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Gain on sale of business | -- | -- | -- | -- | -- | -- | -- | -- | -- | (1.80) |
| Gain on the sale of equity method investment | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Interest income | -- | -- | -- | -- | -- | -- | -- | -- | 17.60 | -- |
| Other income (loss) net | (30.30) | (29.90) | (61.90) | (53.20) | (16.90) | 17.20 | (19.50) | (18.10) | (18.50) | 11.20 |
| Asbestos settlement and related costs | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Income (Loss) on debt redemption | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Foreign currency exchange gains related to Venezuelan subsidiary | -- | -- | -- | -- | -- | (4.70) | (4.60) | (2.50) | -- | (3.40) |
| Gain from Claims Settlement | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Loss on debt redemption and refinancing activities | -- | -- | -- | -- | -- | -- | -- | -- | -- | (0.10) |
| Charges related to Venezuelan subsidiaries | -- | -- | -- | -- | -- | -- | -- | -- | -- | (46.00) |
| Earnings before income tax expense | 476.50 | 458.40 | 429.70 | 729.30 | 716.20 | 626.20 | 370.30 | 457.80 | 393.30 | 565.90 |
| Income tax expense (benefit) | 35.30 | 188.90 | 90.40 | 238.00 | 225.00 | 142.10 | 76.60 | 307.50 | 330.50 | 79.50 |
| Deferred: Federal | 57.60 | (51.10) | (28.10) | (23.40) | 9.60 | 59.40 | (19.00) | 56.80 | 130.10 | (42.40) |
| Deferred: Foreign | 12.10 | 33.20 | 5.70 | (9.30) | 21.60 | 9.60 | (39.40) | (25.90) | (4.80) | (21.10) |
| Deferred: State and Local | 3.70 | 1.50 | (5.80) | 2.30 | 6.90 | 11.80 | 4.00 | (21.20) | 5.30 | 5.70 |
| Current : Federal | (114.80) | 90.00 | 23.60 | 154.10 | 63.10 | (14.20) | 62.30 | 228.20 | 79.60 | 31.30 |
| Current : State and local | 9.10 | 13.40 | 13.20 | 25.60 | 17.20 | 5.60 | 4.60 | 9.80 | 14.30 | (1.30) |
| Current : Foreign | 67.60 | 101.90 | 81.80 | 88.70 | 106.60 | 69.90 | 64.10 | 59.80 | 106.00 | 107.30 |
| Net (loss) earnings from continuing operations | 441.20 | 269.50 | 339.30 | 491.30 | 491.20 | 484.10 | 293.70 | 150.30 | 62.80 | -- |
| Net earnings from discontinued operations | 64.30 | (4.80) | 2.30 | 0.30 | 15.60 | 18.80 | -- | -- | 111.40 | -- |
| Net gain on sale of discontinued operations | -- | -- | -- | -- | -- | -- | (30.70) | 42.80 | 640.70 | -- |
| Distributed and allocated undistributed net (loss) earnings to non-vested restricted stockholders | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Distributed net (loss) earnings- dividends paid to common stockholders | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Net earnings allocable to Common Units | 505.50 | 264.70 | 341.60 | 491.60 | 506.80 | 502.90 | 263.00 | 193.10 | 814.90 | 486.40 |
| Basic-Continuing operations | 3.00 | 1.85 | 2.35 | 3.37 | 3.26 | 3.12 | 1.90 | 0.94 | 0.34 | -- |
| Basic-Discontinued operations | 0.44 | (0.03) | 0.02 | -- | 0.10 | 0.12 | (0.20) | 0.27 | 3.99 | -- |
| Net Earnings Per Share (Basic) | 3.44 | 1.82 | 2.37 | 3.37 | 3.36 | 3.24 | 1.70 | 1.21 | 4.33 | 2.49 |
| Diluted-Continuing operations | 2.99 | 1.84 | 2.34 | 3.33 | 3.22 | 3.10 | 1.89 | 0.94 | 0.33 | -- |
| Diluted-Discontinued operations | 0.44 | (0.03) | 0.02 | -- | 0.10 | 0.12 | (0.20) | 0.26 | 3.96 | -- |
| Net Earnings Per Share (Diluted) | 3.43 | 1.81 | 2.36 | 3.33 | 3.32 | 3.22 | 1.69 | 1.20 | 4.29 | 2.46 |
| Weighted Average Shares Outstanding (Basic) | 146.90 | 145.50 | 144.40 | 145.90 | 150.90 | 155.20 | 154.30 | 159.40 | 186.90 | 194.30 |
| Weighted Average Shares Outstanding (Diluted) | 147.50 | 146.00 | 144.90 | 147.40 | 152.40 | 156.00 | 155.20 | 160.20 | 188.90 | 197.20 |