Background and Basis of Presentation (Details) $ in Millions	Dec. 31, 2019 USD ($) country	Oct. 01, 2019 USD ($)
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of countries in which Edgewell operates | country	20
Number of countries with retail operations | country	50
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease, right-of-use asset	$ 55.7
Operating lease, liability	$ 55.6
Accounting standards update 2016-02
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease, right-of-use asset		$ 57.4
Operating lease, liability		$ 57.5