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Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 01, 2023	Oct. 02, 2022	Oct. 01, 2023	Oct. 02, 2022
Disaggregation of Revenue [Line Items]
Revenue	$ 1,710,419	$ 1,890,216	$ 5,145,492	$ 5,574,530
United States
Disaggregation of Revenue [Line Items]
Revenue	1,222,873	1,407,906	3,658,565	4,035,043
Europe
Disaggregation of Revenue [Line Items]
Revenue	225,627	221,280	709,329	732,252
Canada
Disaggregation of Revenue [Line Items]
Revenue	54,134	58,625	165,889	174,294
Asia
Disaggregation of Revenue [Line Items]
Revenue	84,740	91,152	248,655	291,177
Other
Disaggregation of Revenue [Line Items]
Revenue	123,045	111,253	363,054	341,764
Operating Segments | Consumer Packaging
Disaggregation of Revenue [Line Items]
Revenue	938,407	1,030,549	2,771,290	2,888,630
Operating Segments | Industrial Paper Packaging
Disaggregation of Revenue [Line Items]
Revenue	580,035	661,452	1,781,033	2,087,981
Operating Segments | United States | Consumer Packaging
Disaggregation of Revenue [Line Items]
Revenue	726,137	837,048	2,130,895	2,282,559
Operating Segments | United States | Industrial Paper Packaging
Disaggregation of Revenue [Line Items]
Revenue	335,136	405,382	1,035,849	1,259,348
Operating Segments | Europe | Consumer Packaging
Disaggregation of Revenue [Line Items]
Revenue	116,148	101,665	346,287	331,745
Operating Segments | Europe | Industrial Paper Packaging
Disaggregation of Revenue [Line Items]
Revenue	91,175	99,804	300,145	334,007
Operating Segments | Canada | Consumer Packaging
Disaggregation of Revenue [Line Items]
Revenue	29,268	30,154	89,860	89,342
Operating Segments | Canada | Industrial Paper Packaging
Disaggregation of Revenue [Line Items]
Revenue	24,866	28,471	76,029	84,952
Operating Segments | Asia | Consumer Packaging
Disaggregation of Revenue [Line Items]
Revenue	24,828	25,492	73,430	74,533
Operating Segments | Asia | Industrial Paper Packaging
Disaggregation of Revenue [Line Items]
Revenue	59,284	65,475	173,903	215,896
Operating Segments | Other | Consumer Packaging
Disaggregation of Revenue [Line Items]
Revenue	42,026	36,190	130,818	110,451
Operating Segments | Other | Industrial Paper Packaging
Disaggregation of Revenue [Line Items]
Revenue	69,574	62,320	195,107	193,778
All Other
Disaggregation of Revenue [Line Items]
Revenue	191,977	198,215	593,169	597,919
All Other | United States
Disaggregation of Revenue [Line Items]
Revenue	161,600	165,476	491,821	493,136
All Other | Europe
Disaggregation of Revenue [Line Items]
Revenue	18,304	19,811	62,897	66,500
All Other | Canada
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
All Other | Asia
Disaggregation of Revenue [Line Items]
Revenue	628	185	1,322	748
All Other | Other
Disaggregation of Revenue [Line Items]
Revenue	$ 11,445	$ 12,743	$ 37,129	$ 37,535

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