Goodwill and intangibles, net - Indefinite-lived intangibles (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	12 Months Ended						3 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Dec. 31, 2012 Playtex [Member]	Sep. 30, 2012 Playtex [Member]	Dec. 31, 2012 Wet Ones [Member]	Sep. 30, 2012 Wet Ones [Member]	Dec. 31, 2013 Personal Care [Member]	Dec. 31, 2013 Personal Care [Member] Trademarks and Trade Names [Member]	Dec. 31, 2012 Personal Care [Member] Playtex [Member]	Dec. 31, 2013 Household Products [Member]
Indefinite-lived Intangible Assets by Major Class [Line Items]
Indefinite-lived Intangible Assets	$ 1,748.9		$ 650.0		$ 200.0		$ 1,668.2			$ 80.7
Indefinite-Lived Intangible Assets, Fair Value as Percent of Carrying Value				107.00%		109.00%
Indefinite-lived Intangible Assets, Period Increase (Decrease)								45.0
Indefinite-lived Intangibles Assets, Impairment test, Discount Rate Used		7.50%
Indefinite-lived Intangibles Assets, Impairment Test, Terminal Growth Rate Used	2.00%
Future Amortization Expense, Remainder of Fiscal Year									$ 12.9