Carrying Amount of Goodwill (Details) $ in Millions	6 Months Ended
	Jun. 30, 2018 USD ($)
Goodwill [Line Items]
Beginning balance	$ 1,958.9
Ending balance	1,992.9
Passport Food Safety Solutions, Inc.
Goodwill [Line Items]
Goodwill acquired during the period	32.5
Water Pik Inc
Goodwill [Line Items]
Goodwill adjustment	1.5
Consumer Domestic
Goodwill [Line Items]
Beginning balance	1,632.1
Ending balance	1,633.2
Consumer Domestic | Passport Food Safety Solutions, Inc.
Goodwill [Line Items]
Goodwill acquired during the period	0.0
Consumer Domestic | Water Pik Inc
Goodwill [Line Items]
Goodwill adjustment	1.1
Consumer International
Goodwill [Line Items]
Beginning balance	223.3
Ending balance	223.7
Consumer International | Passport Food Safety Solutions, Inc.
Goodwill [Line Items]
Goodwill acquired during the period	0.0
Consumer International | Water Pik Inc
Goodwill [Line Items]
Goodwill adjustment	0.4
Specialty Products
Goodwill [Line Items]
Beginning balance	103.5
Ending balance	136.0
Specialty Products | Passport Food Safety Solutions, Inc.
Goodwill [Line Items]
Goodwill acquired during the period	32.5
Specialty Products | Water Pik Inc
Goodwill [Line Items]
Goodwill adjustment	$ 0.0