Segments - Net Sales and Adjusted EBITDA by Reportable Segment (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Segment Reporting Information [Line Items]
Consolidated Net sales	$ 1,381.8	$ 1,400.4	$ 4,111.4	$ 4,236.0
Segment Adjusted EBITDA:	289.3	294.8	851.4	916.6
Food
Segment Reporting Information [Line Items]
Consolidated Net sales	$ 893.4	$ 829.8	$ 2,627.1	$ 2,443.3
Food and Protective Adjusted EBITDA Margin	21.70%	22.30%	22.10%	22.60%
Food | Product Concentration Risk | Net Sales
Segment Reporting Information [Line Items]
As a % of Consolidated net sales	64.70%	59.30%	63.90%	57.70%
Food | Operating Segments
Segment Reporting Information [Line Items]
Consolidated Net sales	$ 893.4	$ 829.8	$ 2,627.1	$ 2,443.3
Segment Adjusted EBITDA:	194.3	185.3	580.1	553.4
Protective
Segment Reporting Information [Line Items]
Consolidated Net sales	$ 488.4	$ 570.6	$ 1,484.3	$ 1,792.7
Food and Protective Adjusted EBITDA Margin	19.50%	19.20%	18.30%	20.30%
Protective | Product Concentration Risk | Net Sales
Segment Reporting Information [Line Items]
As a % of Consolidated net sales	35.30%	40.70%	36.10%	42.30%
Protective | Operating Segments
Segment Reporting Information [Line Items]
Consolidated Net sales	$ 488.4	$ 570.6	$ 1,484.3	$ 1,792.7
Segment Adjusted EBITDA:	$ 95.0	$ 109.5	$ 271.3	$ 363.2