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Revenue Recognition - Disaggregated Revenues (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($) segment	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Disaggregation of Revenue [Line Items]
Number of reportable segments (segment) | segment	2
Revenue	$ 5,590,438	$ 5,237,443	$ 5,374,207
Consumer Packaging
Disaggregation of Revenue [Line Items]
Revenue	2,368,347	2,229,859	2,208,574
Industrial Paper Packaging
Disaggregation of Revenue [Line Items]
Revenue	2,464,312	1,991,474	2,097,880
All Other
Disaggregation of Revenue [Line Items]
Revenue	757,779	1,016,110	1,067,753
United States
Disaggregation of Revenue [Line Items]
Revenue	3,650,090	3,411,263	3,408,459
United States | Consumer Packaging
Disaggregation of Revenue [Line Items]
Revenue	1,607,810	1,581,639	1,571,030
United States | Industrial Paper Packaging
Disaggregation of Revenue [Line Items]
Revenue	1,421,684	1,177,903	1,178,904
United States | All Other
Disaggregation of Revenue [Line Items]
Revenue	620,596	651,721	658,525
Europe
Disaggregation of Revenue [Line Items]
Revenue	941,655	1,055,830	1,078,766
Europe | Consumer Packaging
Disaggregation of Revenue [Line Items]
Revenue	444,734	394,473	368,417
Europe | Industrial Paper Packaging
Disaggregation of Revenue [Line Items]
Revenue	408,093	328,410	346,102
Europe | All Other
Disaggregation of Revenue [Line Items]
Revenue	88,828	332,947	364,247
Canada
Disaggregation of Revenue [Line Items]
Revenue	212,272	181,425	226,049
Canada | Consumer Packaging
Disaggregation of Revenue [Line Items]
Revenue	117,492	96,457	108,848
Canada | Industrial Paper Packaging
Disaggregation of Revenue [Line Items]
Revenue	94,780	84,968	117,201
Canada | All Other
Disaggregation of Revenue [Line Items]
Revenue	0	0	0
Asia Pacific
Disaggregation of Revenue [Line Items]
Revenue	401,003	316,670	350,259
Asia Pacific | Consumer Packaging
Disaggregation of Revenue [Line Items]
Revenue	82,882	74,823	70,504
Asia Pacific | Industrial Paper Packaging
Disaggregation of Revenue [Line Items]
Revenue	316,841	241,163	278,401
Asia Pacific | All Other
Disaggregation of Revenue [Line Items]
Revenue	1,280	684	1,354
Other
Disaggregation of Revenue [Line Items]
Revenue	385,418	272,255	310,674
Other | Consumer Packaging
Disaggregation of Revenue [Line Items]
Revenue	115,429	82,467	89,775
Other | Industrial Paper Packaging
Disaggregation of Revenue [Line Items]
Revenue	222,914	159,030	177,272
Other | All Other
Disaggregation of Revenue [Line Items]
Revenue	$ 47,075	$ 30,758	$ 43,627

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