Goodwill and Identifiable Intangible Assets, Net - Summary of Goodwill Balances by Segment Reporting Structure (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Goodwill [Roll Forward]
Gross Carrying Value, at beginning of period	$ 2,137.8	$ 2,130.6
Accumulated impairment	(190.2)	(190.8)
Carrying Value, at beginning of period	1,947.6	1,939.8
Acquisition and Divestiture, purchase price and other adjustments	263.3	17.6
Currency translation	6.1	(9.8)
Gross Carrying Value, at end of period	2,407.2	2,137.8
Accumulated impairment	(190.3)	(190.2)
Carrying Value, at end of period	2,216.9	1,947.6
Operating Segments | Food Care
Goodwill [Roll Forward]
Gross Carrying Value, at beginning of period	568.9	576.5
Accumulated impairment	(49.2)	(49.6)
Carrying Value, at beginning of period	519.7	526.9
Acquisition and Divestiture, purchase price and other adjustments	6.3	(0.6)
Currency translation	2.0	(6.6)
Gross Carrying Value, at end of period	577.2	568.9
Accumulated impairment	(49.3)	(49.2)
Carrying Value, at end of period	527.9	519.7
Operating Segments | Product Care
Goodwill [Roll Forward]
Gross Carrying Value, at beginning of period	1,568.9	1,554.1
Accumulated impairment	(141.0)	(141.2)
Carrying Value, at beginning of period	1,427.9	1,412.9
Acquisition and Divestiture, purchase price and other adjustments	257.0	18.2
Currency translation	4.1	(3.2)
Gross Carrying Value, at end of period	1,830.0	1,568.9
Accumulated impairment	(141.0)	(141.0)
Carrying Value, at end of period	$ 1,689.0	$ 1,427.9