Segments - Net Sales and Adjusted EBITDA of Reportable Segments (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Segment Reporting Information [Line Items]
Net sales	$ 5,533.8	$ 4,903.2	$ 4,791.1
Segment Adjusted EBITDA	1,134.6	1,055.5	979.2
Corporate
Segment Reporting Information [Line Items]
Segment Adjusted EBITDA	(3.0)	(4.4)	(14.4)
Food
Segment Reporting Information [Line Items]
Net sales	3,112.8	2,825.5	2,880.5
Food | Operating Segments
Segment Reporting Information [Line Items]
Net sales	3,112.8	2,825.5	2,880.5
Segment Adjusted EBITDA	$ 688.4	$ 647.5	$ 629.3
Adjusted EBITDA Margin	22.10%	22.90%	21.80%
Protective | Operating Segments
Segment Reporting Information [Line Items]
Net sales	$ 2,421.0	$ 2,077.7	$ 1,910.6
Segment Adjusted EBITDA	$ 446.2	$ 408.0	$ 349.9
Adjusted EBITDA Margin	18.40%	19.60%	18.30%
Product Concentration Risk | Net Sales | Food | Operating Segments
Segment Reporting Information [Line Items]
As a % of Consolidated net sales	56.30%	57.60%	60.10%
Product Concentration Risk | Net Sales | Protective | Operating Segments
Segment Reporting Information [Line Items]
As a % of Consolidated net sales	43.70%	42.40%	39.90%