Segments - Net Sales and Adjusted EBITDA by Reportable Segment (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Segment Reporting Information [Line Items]
Revenues	$ 1,186.2	$ 1,131.3	$ 3,472.4	$ 3,233.8
Non-U.S. GAAP Adjusted EBITDA from continuing operations	$ 218.9	$ 216.8	$ 641.2	$ 595.0
Adjusted EBITDA Margin	18.50%	19.20%	18.50%	18.40%
Corporate
Segment Reporting Information [Line Items]
Non-U.S. GAAP Adjusted EBITDA from continuing operations	$ (2.9)	$ (0.7)	$ (7.6)	$ (9.0)
Food Care
Segment Reporting Information [Line Items]
Revenues	$ 727.2		$ 2,136.5
Adjusted EBITDA Margin	20.00%	19.50%	19.40%	19.20%
Food Care | Product Concentration Risk | Net Sales
Segment Reporting Information [Line Items]
As a % of Total Company net sales	61.30%	63.30%	61.50%	63.40%
Food Care | Operating Segments
Segment Reporting Information [Line Items]
Revenues	$ 727.2	$ 716.0	$ 2,136.5	$ 2,051.1
Non-U.S. GAAP Adjusted EBITDA from continuing operations	145.4	$ 139.6	415.5	$ 393.4
Product Care
Segment Reporting Information [Line Items]
Revenues	$ 459.0		$ 1,335.9
Adjusted EBITDA Margin	16.60%	18.80%	17.50%	17.80%
Product Care | Product Concentration Risk | Net Sales
Segment Reporting Information [Line Items]
As a % of Total Company net sales	38.70%	36.70%	38.50%	36.60%
Product Care | Operating Segments
Segment Reporting Information [Line Items]
Revenues	$ 459.0	$ 415.3	$ 1,335.9	$ 1,182.7
Non-U.S. GAAP Adjusted EBITDA from continuing operations	$ 76.4	$ 77.9	$ 233.3	$ 210.6