Restructuring and Asset Impairment - Additional Information (Details) $ in Thousands	9 Months Ended
	Sep. 27, 2020 USD ($) facility position	Dec. 31, 2019 USD ($)	[1]
Restructuring Cost and Reserve [Line Items]
Asset impairment/disposal of assets	$ 59,633
Net book value of fixed assets sold	1,227,122	$ 1,286,842
Future additional charges expected to be recognized	$ 6,000
Paper and Industrial Converted Products | Cones Operations
Restructuring Cost and Reserve [Line Items]
Number of closed facilities | facility	3
Consumer Packaging | Graphic Design Operations
Restructuring Cost and Reserve [Line Items]
Number of closed facilities | facility	2
United States | Consumer Packaging | Graphic Design Operations
Restructuring Cost and Reserve [Line Items]
Number of closed facilities | facility	1
United Kingdom | Consumer Packaging | Graphic Design Operations
Restructuring Cost and Reserve [Line Items]
Number of closed facilities | facility	1
Organizational effectiveness efforts
Restructuring Cost and Reserve [Line Items]
Number of eliminated positions (position) | position	250
Facility closure | United States
Restructuring Cost and Reserve [Line Items]
Asset impairment/disposal of assets	$ 2,481
Facility closure | North America
Restructuring Cost and Reserve [Line Items]
Asset impairment/disposal of assets	14,892
Facility closure | Canada
Restructuring Cost and Reserve [Line Items]
Asset impairment/disposal of assets	7,927
Facility closure | North Carolina
Restructuring Cost and Reserve [Line Items]
Proceeds from sale of building	3,527
Net book value of fixed assets sold	$ 2,451

[1] The year-end condensed consolidated balance sheet data was derived from audited financial statements, but does not include all disclosures required by accounting principles generally accepted in the United States of America.