Segments - Net Sales and Adjusted EBITDA by Reportable Segment (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Segment Reporting Information [Line Items]
Total Company Net Sales	$ 1,112.7	$ 1,131.0
Non-U.S. GAAP Adjusted EBITDA from continuing operations	$ 215.8	$ 204.8
Adjusted EBITDA Margin	19.40%	18.10%
Corporate
Segment Reporting Information [Line Items]
Non-U.S. GAAP Adjusted EBITDA from continuing operations	$ (2.1)	$ (8.3)
Food Care
Segment Reporting Information [Line Items]
Total Company Net Sales	$ 680.0	$ 696.3
Adjusted EBITDA Margin	21.00%	19.30%
Food Care | Product Concentration Risk | Net Sales
Segment Reporting Information [Line Items]
As a % of Total Company net sales	61.10%	61.60%
Food Care | Operating Segments
Segment Reporting Information [Line Items]
Total Company Net Sales	$ 680.0	$ 696.3
Non-U.S. GAAP Adjusted EBITDA from continuing operations	142.9	134.7
Product Care
Segment Reporting Information [Line Items]
Total Company Net Sales	$ 432.7	$ 434.7
Adjusted EBITDA Margin	17.30%	18.00%
Product Care | Product Concentration Risk | Net Sales
Segment Reporting Information [Line Items]
As a % of Total Company net sales	38.90%	38.40%
Product Care | Operating Segments
Segment Reporting Information [Line Items]
Total Company Net Sales	$ 432.7	$ 434.7
Non-U.S. GAAP Adjusted EBITDA from continuing operations	$ 75.0	$ 78.4