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Segment Reporting - Segment Financial Information (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 29, 2020 | Mar. 31, 2019
Segment Reporting Information [Line Items] |  |
Net sales | $ 1,303,296 | $ 1,351,705
Operating profit | 130,103 | 116,888
Restructuring/Asset impairment charges | (12,599) | (10,672)
Consumer Packaging |  |
Segment Reporting Information [Line Items] |  |
Net sales | 588,417 | 589,716
Display and Packaging |  |
Segment Reporting Information [Line Items] |  |
Net sales | 121,356 | 137,554
Paper and Industrial Converted Products |  |
Segment Reporting Information [Line Items] |  |
Net sales | 474,970 | 496,037
Protective Solutions |  |
Segment Reporting Information [Line Items] |  |
Net sales | 118,553 | 128,398
Operating Segments | Consumer Packaging |  |
Segment Reporting Information [Line Items] |  |
Net sales | 588,417 | 589,716
Operating profit | 67,801 | 62,115
Operating Segments | Display and Packaging |  |
Segment Reporting Information [Line Items] |  |
Net sales | 121,356 | 137,554
Operating profit | 8,094 | 6,454
Operating Segments | Paper and Industrial Converted Products |  |
Segment Reporting Information [Line Items] |  |
Net sales | 474,970 | 496,037
Operating profit | 54,013 | 48,387
Operating Segments | Protective Solutions |  |
Segment Reporting Information [Line Items] |  |
Net sales | 118,553 | 128,398
Operating profit | 14,004 | 11,004
Intersegment Sales |  |
Segment Reporting Information [Line Items] |  |
Net sales | 33,155 | 36,204
Intersegment Sales | Consumer Packaging |  |
Segment Reporting Information [Line Items] |  |
Net sales | 2,273 | 921
Intersegment Sales | Display and Packaging |  |
Segment Reporting Information [Line Items] |  |
Net sales | 1,298 | 1,167
Intersegment Sales | Paper and Industrial Converted Products |  |
Segment Reporting Information [Line Items] |  |
Net sales | 29,212 | 33,654
Intersegment Sales | Protective Solutions |  |
Segment Reporting Information [Line Items] |  |
Net sales | 372 | 462
Segment Reconciling Items |  |
Segment Reporting Information [Line Items] |  |
Other, net | $ (1,210) | $ (400)

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