Goodwill and Identifiable Intangible Assets, net - Summary of Goodwill Balances by Segment Reporting Structure (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Nov. 01, 2021
Goodwill [Roll Forward]
Gross Carrying Value, at beginning of period	$ 2,413.3	$ 2,407.2
Accumulated amortization	(190.7)	(190.3)
Carrying Value, at beginning of period	2,222.6	2,216.9
Acquisition, purchase price and other adjustments		(5.3)
Currency translation	(10.5)	11.4
Divestiture	(23.2)
Gross Carrying Value, at end of period	2,379.6	2,413.3
Accumulated impairment	(190.2)	(190.7)
Carrying Value, at end of period	2,189.4	2,222.6
Protective | Disposal Group, Held-for-sale or Disposed of by Sale, Not Discontinued Operations | Reflectix, Inc
Goodwill [Roll Forward]
Disposal group, goodwill			$ 23.2
Operating Segments | Food
Goodwill [Roll Forward]
Gross Carrying Value, at beginning of period	579.7	577.2
Accumulated amortization	(49.5)	(49.3)
Carrying Value, at beginning of period	530.2	527.9
Acquisition, purchase price and other adjustments		0.0
Currency translation	(3.1)	2.5
Divestiture	0.0
Gross Carrying Value, at end of period	576.6	579.7
Accumulated impairment	(49.3)	(49.5)
Carrying Value, at end of period	527.3	530.2
Operating Segments | Protective
Goodwill [Roll Forward]
Gross Carrying Value, at beginning of period	1,833.6	1,830.0
Accumulated amortization	(141.2)	(141.0)
Carrying Value, at beginning of period	1,692.4	1,689.0
Acquisition, purchase price and other adjustments		(5.3)
Currency translation	(7.4)	8.9
Divestiture	(23.2)
Gross Carrying Value, at end of period	1,803.0	1,833.6
Accumulated impairment	(140.9)	(141.2)
Carrying Value, at end of period	$ 1,662.1	$ 1,692.4