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Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 02, 2023	Apr. 03, 2022
Disaggregation of Revenue [Line Items]
Revenue	$ 1,729,783	$ 1,770,982
United States
Disaggregation of Revenue [Line Items]
Revenue	1,225,698	1,237,774
Europe
Disaggregation of Revenue [Line Items]
Revenue	244,699	261,122
Canada
Disaggregation of Revenue [Line Items]
Revenue	55,755	58,378
Asia
Disaggregation of Revenue [Line Items]
Revenue	83,297	99,545
Other
Disaggregation of Revenue [Line Items]
Revenue	120,334	114,163
Consumer Packaging
Disaggregation of Revenue [Line Items]
Revenue	909,278	868,098
Consumer Packaging | United States
Disaggregation of Revenue [Line Items]
Revenue	696,098	654,414
Consumer Packaging | Europe
Disaggregation of Revenue [Line Items]
Revenue	114,606	120,170
Consumer Packaging | Canada
Disaggregation of Revenue [Line Items]
Revenue	28,803	31,208
Consumer Packaging | Asia
Disaggregation of Revenue [Line Items]
Revenue	24,136	25,634
Consumer Packaging | Other
Disaggregation of Revenue [Line Items]
Revenue	45,635	36,672
Industrial Paper Packaging
Disaggregation of Revenue [Line Items]
Revenue	615,855	699,129
Industrial Paper Packaging | United States
Disaggregation of Revenue [Line Items]
Revenue	360,780	417,286
Industrial Paper Packaging | Europe
Disaggregation of Revenue [Line Items]
Revenue	107,808	116,827
Industrial Paper Packaging | Canada
Disaggregation of Revenue [Line Items]
Revenue	26,952	27,170
Industrial Paper Packaging | Asia
Disaggregation of Revenue [Line Items]
Revenue	58,831	73,619
Industrial Paper Packaging | Other
Disaggregation of Revenue [Line Items]
Revenue	61,484	64,227
All Other
Disaggregation of Revenue [Line Items]
Revenue	204,650	203,755
All Other | United States
Disaggregation of Revenue [Line Items]
Revenue	168,820	166,074
All Other | Europe
Disaggregation of Revenue [Line Items]
Revenue	22,285	24,125
All Other | Canada
Disaggregation of Revenue [Line Items]
Revenue	0	0
All Other | Asia
Disaggregation of Revenue [Line Items]
Revenue	330	292
All Other | Other
Disaggregation of Revenue [Line Items]
Revenue	$ 13,215	$ 13,264

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 30
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-URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130545-203045

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-Publisher FASB
-Name Accounting Standards Codification
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