Segments - Reconciliation of Total Company Adjusted EBITDA to Net Earnings - Expenses (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Segment Reporting Information [Line Items]
Total Company depreciation and amortization	$ 42.7	$ 39.6	$ 116.3	$ 113.0
Share-based incentive compensation	16.6	16.1	41.9	48.1
Restructuring and other charges	6.2	1.3	9.2	1.1
Severance and termination benefits
Segment Reporting Information [Line Items]
Restructuring and other charges				0.3
Depreciation and amortization
Segment Reporting Information [Line Items]
Share-based incentive compensation	12.3	12.2	31.2	37.6
Corporate
Segment Reporting Information [Line Items]
Total Company depreciation and amortization	4.6	6.9	6.3	16.1
Food Care
Segment Reporting Information [Line Items]
Restructuring and other charges	3.9	0.8	5.8	0.7
Food Care | Operating Segments
Segment Reporting Information [Line Items]
Total Company depreciation and amortization	26.4	23.1	75.8	68.3
Product Care
Segment Reporting Information [Line Items]
Restructuring and other charges	2.3	0.5	3.4	0.4
Product Care | Operating Segments
Segment Reporting Information [Line Items]
Total Company depreciation and amortization	$ 11.7	$ 9.6	$ 34.2	$ 28.6