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Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Apr. 01, 2018
Disaggregation of Revenue [Line Items]
Revenue	$ 1,351,705	$ 1,304,187
Consumer Packaging
Disaggregation of Revenue [Line Items]
Revenue	589,716	569,852
Consumer Packaging | Products transferred at a point in time
Disaggregation of Revenue [Line Items]
Revenue	339,462	345,003
Consumer Packaging | Products transferred over time
Disaggregation of Revenue [Line Items]
Revenue	250,254	224,849
Consumer Packaging | United States
Disaggregation of Revenue [Line Items]
Revenue	416,397	397,986
Consumer Packaging | Europe
Disaggregation of Revenue [Line Items]
Revenue	108,213	107,230
Consumer Packaging | Canada
Disaggregation of Revenue [Line Items]
Revenue	27,301	27,706
Consumer Packaging | Asia
Disaggregation of Revenue [Line Items]
Revenue	15,913	16,490
Consumer Packaging | Other
Disaggregation of Revenue [Line Items]
Revenue	21,892	20,440
Display and Packaging
Disaggregation of Revenue [Line Items]
Revenue	137,554	142,658
Display and Packaging | Products transferred at a point in time
Disaggregation of Revenue [Line Items]
Revenue	57,410	64,715
Display and Packaging | Products transferred over time
Disaggregation of Revenue [Line Items]
Revenue	80,144	77,943
Display and Packaging | United States
Disaggregation of Revenue [Line Items]
Revenue	65,563	73,884
Display and Packaging | Europe
Disaggregation of Revenue [Line Items]
Revenue	70,242	65,945
Display and Packaging | Canada
Disaggregation of Revenue [Line Items]
Revenue	0	0
Display and Packaging | Asia
Disaggregation of Revenue [Line Items]
Revenue	0	0
Display and Packaging | Other
Disaggregation of Revenue [Line Items]
Revenue	1,749	2,829
Paper and Industrial Converted Products
Disaggregation of Revenue [Line Items]
Revenue	496,037	460,653
Paper and Industrial Converted Products | Products transferred at a point in time
Disaggregation of Revenue [Line Items]
Revenue	479,480	440,477
Paper and Industrial Converted Products | Products transferred over time
Disaggregation of Revenue [Line Items]
Revenue	16,557	20,176
Paper and Industrial Converted Products | United States
Disaggregation of Revenue [Line Items]
Revenue	268,566	265,762
Paper and Industrial Converted Products | Europe
Disaggregation of Revenue [Line Items]
Revenue	90,705	92,855
Paper and Industrial Converted Products | Canada
Disaggregation of Revenue [Line Items]
Revenue	32,833	32,873
Paper and Industrial Converted Products | Asia
Disaggregation of Revenue [Line Items]
Revenue	69,060	35,309
Paper and Industrial Converted Products | Other
Disaggregation of Revenue [Line Items]
Revenue	34,873	33,854
Protective Solutions
Disaggregation of Revenue [Line Items]
Revenue	128,398	131,024
Protective Solutions | Products transferred at a point in time
Disaggregation of Revenue [Line Items]
Revenue	107,897	111,798
Protective Solutions | Products transferred over time
Disaggregation of Revenue [Line Items]
Revenue	20,501	19,226
Protective Solutions | United States
Disaggregation of Revenue [Line Items]
Revenue	101,178	110,500
Protective Solutions | Europe
Disaggregation of Revenue [Line Items]
Revenue	5,867	6,789
Protective Solutions | Canada
Disaggregation of Revenue [Line Items]
Revenue	0	0
Protective Solutions | Asia
Disaggregation of Revenue [Line Items]
Revenue	920	988
Protective Solutions | Other
Disaggregation of Revenue [Line Items]
Revenue	$ 20,433	$ 12,747

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
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-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130543-203045

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
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-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130545-203045

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