Segments - Reconciliation of Total Company Adjusted EBITDA to Net Earnings - Expenses (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Segment Reporting Information [Line Items]
Total Company depreciation and amortization	$ 40.4	$ 37.2
Share-based incentive compensation	7.6	8.1
Restructuring and other charges	8.6	1.9
Depreciation and amortization
Segment Reporting Information [Line Items]
Share-based incentive compensation	7.6	8.0
Food Care
Segment Reporting Information [Line Items]
Restructuring and other charges	4.6	1.2
Food Care | Operating Segments
Segment Reporting Information [Line Items]
Total Company depreciation and amortization	26.9	24.7
Product Care
Segment Reporting Information [Line Items]
Restructuring and other charges	4.0	0.7
Product Care | Operating Segments
Segment Reporting Information [Line Items]
Total Company depreciation and amortization	$ 13.5	$ 12.5