Goodwill and Identifiable Intangible Assets, net - Summary of Goodwill Balances by Reportable Segment (Details) - USD ($) $ in Millions	6 Months Ended
Jun. 30, 2021	Dec. 31, 2020
Goodwill [Roll Forward]
Gross Carrying Value	$ 2,413.3
Accumulated impairment		$ (190.7)
Carrying Value	2,222.6
Currency translation	(1.7)
Carrying Value	2,220.9
Food
Goodwill [Roll Forward]
Gross Carrying Value	579.7
Accumulated impairment		(49.5)
Carrying Value	530.2
Currency translation	0.7
Carrying Value	530.9
Protective
Goodwill [Roll Forward]
Gross Carrying Value	1,833.6
Accumulated impairment		$ (141.2)
Carrying Value	1,692.4
Currency translation	(2.4)
Carrying Value	$ 1,690.0

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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