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Revenue Recognition - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 29, 2025 | Jun. 30, 2024 | Jun. 29, 2025 | Jun. 30, 2024
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | $ 1,910,441 | $ 1,278,801 | $ 3,619,669 | $ 2,587,437
United States |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 919,703 | 872,437 | 1,794,801 | 1,758,963
Europe, Middle East and Africa (EMEA) |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 817,709 | 212,599 | 1,485,315 | 429,825
Canada |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 27,716 | 30,035 | 53,015 | 58,709
Asia Pacific |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 60,602 | 77,586 | 121,329 | 159,352
Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 84,711 | 86,144 | 165,209 | 180,588
Operating Segments | Consumer Packaging |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 1,227,033 | 583,051 | 2,293,626 | 1,164,721
Operating Segments | Industrial Paper Packaging |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 588,239 | 600,770 | 1,145,948 | 1,193,830
Operating Segments | United States | Consumer Packaging |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 467,148 | 429,490 | 915,182 | 852,082
Operating Segments | United States | Industrial Paper Packaging |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 373,341 | 363,215 | 730,927 | 717,581
Operating Segments | Europe, Middle East and Africa (EMEA) | Consumer Packaging |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 707,327 | 101,543 | 1,274,351 | 206,679
Operating Segments | Europe, Middle East and Africa (EMEA) | Industrial Paper Packaging |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 95,032 | 96,428 | 181,141 | 194,128
Operating Segments | Canada | Consumer Packaging |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 4,404 | 4,620 | 8,269 | 8,523
Operating Segments | Canada | Industrial Paper Packaging |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 23,312 | 25,415 | 44,746 | 50,186
Operating Segments | Asia Pacific | Consumer Packaging |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 23,675 | 23,290 | 48,314 | 47,754
Operating Segments | Asia Pacific | Industrial Paper Packaging |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 36,582 | 53,937 | 72,419 | 110,886
Operating Segments | Other | Consumer Packaging |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 24,479 | 24,108 | 47,510 | 49,683
Operating Segments | Other | Industrial Paper Packaging |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 59,972 | 61,775 | 116,715 | 121,049
All Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 95,169 | 94,980 | 180,095 | 228,886
All Other | United States |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 79,214 | 79,732 | 148,692 | 189,300
All Other | Europe, Middle East and Africa (EMEA) |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 15,350 | 14,628 | 29,823 | 29,018
All Other | Canada |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 0 | 0 | 0 | 0
All Other | Asia Pacific |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 345 | 359 | 596 | 712
All Other | Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | $ 260 | $ 261 | $ 984 | $ 9,856

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