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, 2023	Dec. 31, 2022	Dec. 31, 2021
Segment Reporting Information [Line Items]
Segment Adjusted EBITDA	$ 1,136.8	$ 1,220.7	$ 1,134.6
Interest expense, net	(263.0)	(162.3)	(167.8)
Depreciation and amortization, net of adjustments	(239.6)	(236.8)	(232.2)
Special Items:
Restructuring charges	(15.6)	(12.1)	(14.5)
Other restructuring associated costs	(34.5)	(9.3)	(16.5)
Foreign currency exchange loss due to highly inflationary economies	(23.1)	(8.8)	(3.6)
Loss on debt redemption and refinancing activities	(13.2)	(11.2)	(18.6)
Impairment (loss)/fair value gain on equity investments, net	0.0	(30.6)	6.6
Impairment of debt investment	0.0	0.0	(8.0)
Contract terminations	(14.6)	0.0	0.0
Charges related to acquisition and divestiture activity	(28.3)	(3.1)	(2.6)
Gain on sale of Reflectix	0.0	0.0	45.3
CEO severance	(6.1)	0.0	0.0
Other Special Items	(0.8)	(6.7)	(3.5)
Pre-tax impact of Special Items	(174.3)	(81.8)	(15.4)
Earnings before income tax provision	429.7	729.3	716.2
Liquibox
Special Items:
Liquibox intangible amortization	(27.9)	0.0	0.0
Liquibox inventory step-up amortization	(10.2)	0.0	0.0
Food
Special Items:
Restructuring charges	(8.2)	(8.3)	(7.2)
Food | Operating Segments
Segment Reporting Information [Line Items]
Segment Adjusted EBITDA	775.0	755.1	688.4
Protective
Special Items:
Restructuring charges	(7.4)	(3.8)	(7.3)
Protective | Operating Segments
Segment Reporting Information [Line Items]
Segment Adjusted EBITDA	$ 361.8	$ 465.6	$ 446.2