Segment Note (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Segment Reporting Information [Line Items]
Restructuring Charges	$ 23.4
Segment Reporting Information, Revenue for Reportable Segment [Abstract]
Net sales	1,192.5	1,198.1
Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Abstract]
Operating Profit	276.8	272.3
General corporate and other expenses	(29.5)	(38.2)
2013 restructuring	(49.0)	0
Pension curtailment	(37.4)	0
2011 Household Products restructuring	0	9.2
Amortization	(5.6)	(5.7)
Interest and other financing items	(41.4)	(29.2)
Earnings before income taxes	188.7	208.4
Wet Shave [Member]
Segment Reporting Information, Revenue for Reportable Segment [Abstract]
Net sales	394.5	410.5
Alkaline batteries [Member]
Segment Reporting Information, Revenue for Reportable Segment [Abstract]
Net sales	401.7	393.8
Other batteries and lighting products [Member]
Segment Reporting Information, Revenue for Reportable Segment [Abstract]
Net sales	236.5	239.9
Skin Care [Member]
Segment Reporting Information, Revenue for Reportable Segment [Abstract]
Net sales	63.1	56.7
Feminine Care [Member]
Segment Reporting Information, Revenue for Reportable Segment [Abstract]
Net sales	42.0	42.1
Infant Care [Member]
Segment Reporting Information, Revenue for Reportable Segment [Abstract]
Net sales	41.0	44.7
Other Personal Care Products [Member]
Segment Reporting Information, Revenue for Reportable Segment [Abstract]
Net sales	13.7	10.4
Personal Care [Member]
Segment Reporting Information, Revenue for Reportable Segment [Abstract]
Net sales	554.3	564.4
Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Abstract]
Operating Profit	116.2	123.5
Household Products [Member]
Segment Reporting Information, Revenue for Reportable Segment [Abstract]
Net sales	638.2	633.7
Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Abstract]
Operating Profit	160.6	148.8
Restructuring Plan 2013 [Member]
Segment Reporting Information [Line Items]
Restructuring Charges	49.0
Household Products Restructuring [Member]
Segment Reporting Information [Line Items]
Restructuring Charges	$ 3.6	$ (9.2)