Segments - Reconciliation of U.S. GAAP Net Earnings to Non-U.S. GAAP Total Company Adjusted EBITDA (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Segment Reporting Information [Line Items]
Earnings before income tax provision	$ 370.3	$ 457.8	$ 393.3
Interest expense, net	184.1	177.9	184.2
Depreciation, Depletion and Amortization, Including Allocated Share-Based Compensation Expense, Net Of Adjustments	184.5	159.0	158.3
Special Items:
Restructuring and other charges	41.9	47.8	12.1
Other restructuring associated costs	60.3	15.8	14.3
Foreign currency exchange loss due to highly inflationary economies	4.6	2.5	0.0
Gain (Loss) on Extinguishment of Debt	16.1	1.9	0.0
Charges related to the Novipax settlement agreement	59.0	0.0	0.0
Gain from class-action litigation settlement	0.0	(14.9)	0.0
Other Special Items	29.1	7.5	0.5
Pre-tax impact of Special Items	(225.9)	(94.8)	(97.5)
Total Company Adjusted EBITDA from continuing operations	964.8	889.5	833.3
European Food Trays Businesses
Special Items:
Charges related to acquisition and divestiture activity	14.9	34.2	84.1
Diversey Care
Special Items:
Curtailment related to retained Diversey retirement plans	0.0	0.0	(13.5)
Share-based compensation expense
Segment Reporting Information [Line Items]
Depreciation, Depletion and Amortization, Including Allocated Share-Based Compensation Expense, Net Of Adjustments	$ 184.5	$ 159.0	$ 158.3