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Restructuring and Asset Impairment - Actions and Related Expenses by Segment and by Type Incurred and Estimated for Given Years (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Apr. 01, 2018
Restructuring Cost and Reserve [Line Items]
Restructuring/asset impairment charges	$ 10,672	$ 3,063
2019 Actions
Restructuring Cost and Reserve [Line Items]
Restructuring/asset impairment charges	6,389	0
Estimated Total Cost	10,289
2018 Actions
Restructuring Cost and Reserve [Line Items]
Restructuring/asset impairment charges	4,046	2,207
Total Incurred to Date	36,339
Estimated Total Cost	37,439
2018 Actions | Asset Impairment / Disposal of Assets | Protective Solutions
Restructuring Cost and Reserve [Line Items]
Restructuring/asset impairment charges	0	0
Total Incurred to Date	(243)
Estimated Total Cost	(243)
2017 and earlier Actions
Restructuring Cost and Reserve [Line Items]
Restructuring/asset impairment charges	237	856
Operating Segments | 2019 Actions | Severance and Termination Benefits | Consumer Packaging
Restructuring Cost and Reserve [Line Items]
Restructuring/asset impairment charges	2,989
Estimated Total Cost	6,639
Operating Segments | 2019 Actions | Severance and Termination Benefits | Paper and Industrial Converted Products
Restructuring Cost and Reserve [Line Items]
Restructuring/asset impairment charges	422
Estimated Total Cost	422
Operating Segments | 2019 Actions | Severance and Termination Benefits | Protective Solutions
Restructuring Cost and Reserve [Line Items]
Restructuring/asset impairment charges	341
Estimated Total Cost	341
Operating Segments | 2019 Actions | Asset Impairment / Disposal of Assets | Consumer Packaging
Restructuring Cost and Reserve [Line Items]
Restructuring/asset impairment charges	312
Estimated Total Cost	312
Operating Segments | 2019 Actions | Other Costs | Consumer Packaging
Restructuring Cost and Reserve [Line Items]
Restructuring/asset impairment charges	442
Estimated Total Cost	442
Operating Segments | 2019 Actions | Other Costs | Display and Packaging
Restructuring Cost and Reserve [Line Items]
Restructuring/asset impairment charges	155
Estimated Total Cost	255
Operating Segments | 2019 Actions | Other Costs | Paper and Industrial Converted Products
Restructuring Cost and Reserve [Line Items]
Restructuring/asset impairment charges	2
Estimated Total Cost	2
Operating Segments | 2018 Actions | Severance and Termination Benefits | Consumer Packaging
Restructuring Cost and Reserve [Line Items]
Restructuring/asset impairment charges	641	788
Total Incurred to Date	5,341
Estimated Total Cost	5,341
Operating Segments | 2018 Actions | Severance and Termination Benefits | Display and Packaging
Restructuring Cost and Reserve [Line Items]
Restructuring/asset impairment charges	2	175
Total Incurred to Date	1,941
Estimated Total Cost	1,941
Operating Segments | 2018 Actions | Severance and Termination Benefits | Paper and Industrial Converted Products
Restructuring Cost and Reserve [Line Items]
Restructuring/asset impairment charges	169	991
Total Incurred to Date	3,280
Estimated Total Cost	3,280
Operating Segments | 2018 Actions | Severance and Termination Benefits | Protective Solutions
Restructuring Cost and Reserve [Line Items]
Restructuring/asset impairment charges	(1)	259
Total Incurred to Date	1,074
Estimated Total Cost	1,074
Operating Segments | 2018 Actions | Asset Impairment / Disposal of Assets | Consumer Packaging
Restructuring Cost and Reserve [Line Items]
Restructuring/asset impairment charges	1,007	(14)
Total Incurred to Date	3,695
Estimated Total Cost	3,695
Operating Segments | 2018 Actions | Asset Impairment / Disposal of Assets | Display and Packaging
Restructuring Cost and Reserve [Line Items]
Restructuring/asset impairment charges	87	(272)
Total Incurred to Date	4,712
Estimated Total Cost	4,712
Operating Segments | 2018 Actions | Asset Impairment / Disposal of Assets | Paper and Industrial Converted Products
Restructuring Cost and Reserve [Line Items]
Restructuring/asset impairment charges	226	0
Total Incurred to Date	344
Estimated Total Cost	344
Operating Segments | 2018 Actions | Other Costs | Consumer Packaging
Restructuring Cost and Reserve [Line Items]
Restructuring/asset impairment charges	1,809	11
Total Incurred to Date	4,199
Estimated Total Cost	5,049
Operating Segments | 2018 Actions | Other Costs | Display and Packaging
Restructuring Cost and Reserve [Line Items]
Restructuring/asset impairment charges	48	0
Total Incurred to Date	9,898
Estimated Total Cost	10,048
Operating Segments | 2018 Actions | Other Costs | Paper and Industrial Converted Products
Restructuring Cost and Reserve [Line Items]
Restructuring/asset impairment charges	40	0
Total Incurred to Date	1,801
Estimated Total Cost	1,901
Operating Segments | 2018 Actions | Other Costs | Protective Solutions
Restructuring Cost and Reserve [Line Items]
Restructuring/asset impairment charges	18	46
Total Incurred to Date	64
Estimated Total Cost	64
Operating Segments | 2017 and earlier Actions | Consumer Packaging
Restructuring Cost and Reserve [Line Items]
Restructuring/asset impairment charges	55	944
Operating Segments | 2017 and earlier Actions | Display and Packaging
Restructuring Cost and Reserve [Line Items]
Restructuring/asset impairment charges	83	(189)
Operating Segments | 2017 and earlier Actions | Paper and Industrial Converted Products
Restructuring Cost and Reserve [Line Items]
Restructuring/asset impairment charges	15	(144)
Operating Segments | 2017 and earlier Actions | Protective Solutions
Restructuring Cost and Reserve [Line Items]
Restructuring/asset impairment charges	84	245
Corporate | 2019 Actions | Severance and Termination Benefits
Restructuring Cost and Reserve [Line Items]
Restructuring/asset impairment charges	1,726
Estimated Total Cost	1,876
Corporate | 2018 Actions | Severance and Termination Benefits
Restructuring Cost and Reserve [Line Items]
Restructuring/asset impairment charges	0	223
Total Incurred to Date	243
Estimated Total Cost	243
Corporate | 2018 Actions | Other Costs
Restructuring Cost and Reserve [Line Items]
Restructuring/asset impairment charges	0	$ 0
Total Incurred to Date	(10)
Estimated Total Cost	$ (10)

X

- Definition

Amount of costs incurred to date for the specified restructuring cost.

+ References

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Amount expected to be recognized in earnings for the specified restructuring cost.

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Amount, after cash payment, of expenses associated with exit or disposal activities pursuant to an authorized plan and expenses resulting from the write-down of assets. Excludes expenses related to a business combination, a discontinued operation or an asset retirement obligation.

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