Segments - Reconciliation of Total Company Adjusted EBITDA to Net Earnings - Expenses (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Segment Reporting Information [Line Items]
Total Company depreciation and amortization	$ 41.1	$ 40.4
Share-based incentive compensation	8.4	7.6
Restructuring charges	7.4	8.6
Depreciation and amortization
Segment Reporting Information [Line Items]
Share-based incentive compensation	8.4	7.6
Food Care
Segment Reporting Information [Line Items]
Restructuring charges	3.8	4.6
Food Care | Operating Segments
Segment Reporting Information [Line Items]
Total Company depreciation and amortization	26.2	26.9
Product Care
Segment Reporting Information [Line Items]
Restructuring charges	3.6	4.0
Product Care | Operating Segments
Segment Reporting Information [Line Items]
Total Company depreciation and amortization	$ 14.9	$ 13.5