Goodwill and Intangible Assets (Schedule of Goodwill) (Details) $ in Millions	6 Months Ended
	Mar. 31, 2016 USD ($)
Goodwill [Roll Forward]
Beginning balance	$ 1,421.8
Cumulative translation adjustment	2.1
Ending balance	1,423.9
Wet Shave
Goodwill [Roll Forward]
Beginning balance	967.4
Cumulative translation adjustment	1.2
Ending balance	968.6
Sun and Skin Care
Goodwill [Roll Forward]
Beginning balance	178.0
Cumulative translation adjustment	0.0
Ending balance	178.0
Feminine Care
Goodwill [Roll Forward]
Beginning balance	206.8
Cumulative translation adjustment	0.9
Ending balance	207.7
All Other
Goodwill [Roll Forward]
Beginning balance	69.6
Cumulative translation adjustment	0.0
Ending balance	$ 69.6