Segments - Net Sales and Adjusted EBITDA by Reportable Segment (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Segment Reporting Information [Line Items]
Total Company Net Sales	$ 1,161.0	$ 1,155.2	$ 2,273.7	$ 2,286.2
Non-U.S. GAAP Adjusted EBITDA from continuing operations	$ 236.7	$ 217.5	$ 452.5	$ 422.3
Adjusted EBITDA Margin	20.40%	18.80%	19.90%	18.50%
Corporate
Segment Reporting Information [Line Items]
Non-U.S. GAAP Adjusted EBITDA from continuing operations	$ (2.9)	$ 3.6	$ (5.0)	$ (4.7)
Food Care
Segment Reporting Information [Line Items]
Total Company Net Sales	$ 711.0	$ 713.0	$ 1,391.0	$ 1,409.3
Adjusted EBITDA Margin	21.90%	19.00%	21.50%	19.20%
Food Care | Product Concentration Risk | Net Sales
Segment Reporting Information [Line Items]
As a % of Total Company net sales	61.20%	61.70%	61.20%	61.60%
Food Care | Operating Segments
Segment Reporting Information [Line Items]
Total Company Net Sales	$ 711.0	$ 713.0	$ 1,391.0	$ 1,409.3
Non-U.S. GAAP Adjusted EBITDA from continuing operations	155.6	135.4	298.5	270.1
Product Care
Segment Reporting Information [Line Items]
Total Company Net Sales	$ 450.0	$ 442.2	$ 882.7	$ 876.9
Adjusted EBITDA Margin	18.70%	17.80%	18.00%	17.90%
Product Care | Product Concentration Risk | Net Sales
Segment Reporting Information [Line Items]
As a % of Total Company net sales	38.80%	38.30%	38.80%	38.40%
Product Care | Operating Segments
Segment Reporting Information [Line Items]
Total Company Net Sales	$ 450.0	$ 442.2	$ 882.7	$ 876.9
Non-U.S. GAAP Adjusted EBITDA from continuing operations	$ 84.0	$ 78.5	$ 159.0	$ 156.9