Divestitures and Acquisitions - Finite lived assets (Details) - AFP - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2019	Aug. 01, 2018
Acquired Finite-Lived Intangible Assets [Line Items]
Identifiable intangible assets	$ 19.3	$ 18.6
Product Care
Acquired Finite-Lived Intangible Assets [Line Items]
Identifiable intangible assets	19.3
Product Care | Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Identifiable intangible assets	$ 14.9
Useful life	11 years
Product Care | Trademarks and tradenames
Acquired Finite-Lived Intangible Assets [Line Items]
Identifiable intangible assets	$ 4.4
Useful life	5 years