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Revenue Recognition - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 29, 2024	Oct. 01, 2023	Sep. 29, 2024	Oct. 01, 2023
Disaggregation of Revenue [Line Items]
Revenue	$ 1,675,866	$ 1,710,419	$ 4,936,888	$ 5,145,492
United States
Disaggregation of Revenue [Line Items]
Revenue	1,200,289	1,222,873	3,482,695	3,658,565
Europe
Disaggregation of Revenue [Line Items]
Revenue	222,033	225,627	667,671	709,329
Canada
Disaggregation of Revenue [Line Items]
Revenue	55,938	54,134	172,321	165,889
Asia
Disaggregation of Revenue [Line Items]
Revenue	81,952	84,740	243,944	248,655
Other
Disaggregation of Revenue [Line Items]
Revenue	115,654	123,045	370,257	363,054
Operating Segments
Disaggregation of Revenue [Line Items]
Revenue	1,568,593	1,564,875	4,600,729	4,695,201
Operating Segments | Consumer Packaging
Disaggregation of Revenue [Line Items]
Revenue	983,511	984,840	2,821,817	2,914,168
Operating Segments | Industrial Paper Packaging
Disaggregation of Revenue [Line Items]
Revenue	585,082	580,035	1,778,912	1,781,033
Operating Segments | United States | Consumer Packaging
Disaggregation of Revenue [Line Items]
Revenue	754,314	765,243	2,129,839	2,252,111
Operating Segments | United States | Industrial Paper Packaging
Disaggregation of Revenue [Line Items]
Revenue	355,492	335,136	1,073,073	1,035,849
Operating Segments | Europe | Consumer Packaging
Disaggregation of Revenue [Line Items]
Revenue	114,943	119,511	337,435	358,183
Operating Segments | Europe | Industrial Paper Packaging
Disaggregation of Revenue [Line Items]
Revenue	91,138	91,175	285,266	300,145
Operating Segments | Canada | Consumer Packaging
Disaggregation of Revenue [Line Items]
Revenue	32,969	29,268	99,166	89,860
Operating Segments | Canada | Industrial Paper Packaging
Disaggregation of Revenue [Line Items]
Revenue	22,969	24,866	73,155	76,029
Operating Segments | Asia | Consumer Packaging
Disaggregation of Revenue [Line Items]
Revenue	25,492	24,828	75,886	73,430
Operating Segments | Asia | Industrial Paper Packaging
Disaggregation of Revenue [Line Items]
Revenue	55,888	59,284	166,774	173,903
Operating Segments | Other | Consumer Packaging
Disaggregation of Revenue [Line Items]
Revenue	55,793	45,990	179,491	140,584
Operating Segments | Other | Industrial Paper Packaging
Disaggregation of Revenue [Line Items]
Revenue	59,595	69,574	180,644	195,107
All Other
Disaggregation of Revenue [Line Items]
Revenue	107,273	145,544	336,159	450,291
All Other | United States
Disaggregation of Revenue [Line Items]
Revenue	90,483	122,494	279,783	370,605
All Other | Europe
Disaggregation of Revenue [Line Items]
Revenue	15,952	14,941	44,970	51,001
All Other | Canada
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
All Other | Asia
Disaggregation of Revenue [Line Items]
Revenue	572	628	1,284	1,322
All Other | Other
Disaggregation of Revenue [Line Items]
Revenue	$ 266	$ 7,481	$ 10,122	$ 27,363

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