Segments - Net Sales and Adjusted EBITDA by Segment Reportable Segment (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Segment Reporting Information [Line Items]
Net sales	$ 1,155.2	$ 1,070.3	$ 2,286.2	$ 2,102.5
Adjusted EBITDA from continuing operations	$ 217.5	$ 196.3	$ 422.3	$ 378.2
Adjusted EBITDA Margin	18.80%	18.30%	18.50%	18.00%
Corporate
Segment Reporting Information [Line Items]
Adjusted EBITDA from continuing operations	$ 3.6	$ (4.9)	$ (4.7)	$ (8.3)
Food Care
Segment Reporting Information [Line Items]
Net sales	$ 713.0		$ 1,409.3
Adjusted EBITDA Margin	19.00%	19.40%	19.20%	19.00%
Food Care | Product Concentration Risk | Net Sales
Segment Reporting Information [Line Items]
As a % of Total Company net sales	61.70%	63.50%	61.60%	63.50%
Food Care | Operating Segments
Segment Reporting Information [Line Items]
Net sales	$ 713.0	$ 679.5	$ 1,409.3	$ 1,335.1
Adjusted EBITDA from continuing operations	135.4	$ 131.8	270.1	$ 253.8
Product Care
Segment Reporting Information [Line Items]
Net sales	$ 442.2		$ 876.9
Adjusted EBITDA Margin	17.80%	17.80%	17.90%	17.30%
Product Care | Product Concentration Risk | Net Sales
Segment Reporting Information [Line Items]
As a % of Total Company net sales	38.30%	36.50%	38.40%	36.50%
Product Care | Operating Segments
Segment Reporting Information [Line Items]
Net sales	$ 442.2	$ 390.8	$ 876.9	$ 767.4
Adjusted EBITDA from continuing operations	$ 78.5	$ 69.4	$ 156.9	$ 132.7