Carrying Amount of Goodwill (Details) $ in Millions	Mar. 31, 2019 USD ($)
Goodwill [Line Items]
Beginning balance	$ 1,992.9
Ending balance	1,992.9
Consumer Domestic
Goodwill [Line Items]
Beginning balance	1,633.2
Ending balance	1,633.2
Consumer International
Goodwill [Line Items]
Beginning balance	223.7
Ending balance	223.7
Specialty Products
Goodwill [Line Items]
Beginning balance	136.0
Ending balance	$ 136.0