Fair Values of Net Assets Acquired (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 01, 2020	Dec. 31, 2019	May 01, 2019	Dec. 31, 2018	Mar. 08, 2018
Business Acquisition [Line Items]
Goodwill	$ 2,229.6		$ 2,079.5		$ 1,992.9
Zicam Acquisition
Business Acquisition [Line Items]
Inventory and other working capital		$ 40.2
Property, plant and equipment		0.5
Trade name		367.8
Other intangible assets		93.8
Goodwill		151.4
Current liabilities		(13.1)
Deferred Income Taxes		(107.2)
Other long-term liabilities		(20.7)
Cash purchase price (net of cash acquired)		$ 512.7
Flawless Acquisition
Business Acquisition [Line Items]
Trade name				$ 447.3
Other intangible assets				121.8
Goodwill				87.9
Business acquisition liability	$ (98.0)		$ (192.0)	(182.0)
Cash purchase price (net of cash acquired)				$ 475.0
Passport Food Safety Solutions, Inc.
Business Acquisition [Line Items]
Inventory and other working capital						$ 3.3
Long-term assets						1.0
Trade names and other intangibles						28.5
Goodwill						32.5
Current liabilities						(1.1)
Long-term liabilities						(7.1)
Business acquisition liability						(7.3)
Cash purchase price (net of cash acquired)						$ 49.8