Segments - Reconciliation of Total Company Adjusted EBITDA to Net Earnings - Expenses (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]
Total Company depreciation and amortization	$ 40.8	$ 36.4	$ 81.2	$ 73.6
Share-based incentive compensation	7.1	11.0	14.6	19.1
Restructuring and other charges	7.1	1.1	15.7	3.0
Depreciation and amortization
Segment Reporting Information [Line Items]
Share-based incentive compensation	7.7	10.9	15.3	18.9
Food Care
Segment Reporting Information [Line Items]
Restructuring and other charges	1.5	0.7	6.1	1.9
Food Care | Operating Segments
Segment Reporting Information [Line Items]
Total Company depreciation and amortization	27.2	25.8	54.1	50.5
Product Care
Segment Reporting Information [Line Items]
Restructuring and other charges	5.6	0.4	9.6	1.1
Product Care | Operating Segments
Segment Reporting Information [Line Items]
Total Company depreciation and amortization	$ 13.6	$ 10.6	$ 27.1	$ 23.1