Segments - Reconciliation of Net Earnings to Total Company Adjusted EBITDA (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Segment Reporting Information [Line Items]
Segment Adjusted EBITDA	$ 272.1	$ 261.1	$ 804.3	$ 770.8
Interest expense, net	(42.4)	(43.0)	(127.6)	(130.7)
Depreciation and amortization	(55.2)	(56.2)	(170.3)	(161.1)
Special items
Restructuring charges	(2.4)	(1.0)	(4.5)	(11.7)
Other restructuring associated costs	(5.4)	(7.2)	(15.5)	(15.0)
Foreign currency exchange loss due to highly inflationary economies	(0.9)	(1.1)	(2.9)	(3.2)
Loss on debt redemption and refinancing activities	(14.7)	0.0	(14.7)	0.0
Increase in fair value of equity investments	6.6	0.0	6.6	0.0
Charges related to acquisition and divestiture activity	(0.8)	(1.0)	(1.9)	(5.1)
Other Special Items	(1.0)	(0.6)	(1.9)	(4.3)
Pre-tax impact of Special Items	(18.6)	(10.9)	(34.8)	(39.3)
Earnings before income tax provision	154.4	149.2	469.2	441.3
Corporate
Segment Reporting Information [Line Items]
Segment Adjusted EBITDA	(1.5)	(1.8)	(2.4)	1.6
Food
Special items
Restructuring charges	(0.8)	1.4	(1.9)	(3.8)
Food | Operating Segments
Segment Reporting Information [Line Items]
Segment Adjusted EBITDA	169.4	152.4	484.4	477.8
Depreciation and amortization	(32.3)	(31.7)	(96.7)	(90.9)
Protective
Special items
Restructuring charges	(1.6)	(2.4)	(2.6)	(7.9)
Protective | Operating Segments
Segment Reporting Information [Line Items]
Segment Adjusted EBITDA	102.7	108.7	319.9	293.0
Depreciation and amortization	$ (22.9)	$ (24.5)	$ (73.6)	$ (70.2)