Restructuring (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Restructuring Reserve [Roll Forward]
Beginning Balance	$ 0
Restructuring Charges	23.4
Ending Balance	20.9
Restructuring Plan 2013 [Member]
Restructuring Reserve [Roll Forward]
Beginning Balance	0
Restructuring Charges	49.0
Utilized - Cash	(4.7)
Utilized - Non-cash	(23.4)
Ending Balance	20.9
Restructuring Plan 2013 [Member] | Asset Impairments [Member]
Restructuring Reserve [Roll Forward]
Restructuring Charges	19.3
Restructuring Plan 2013 [Member] | Accelerated Depreciation [Member]
Restructuring Reserve [Roll Forward]
Restructuring Charges	4.1
Restructuring Plan 2013 [Member] | Impairment and Accelerated Depreciation [Member]
Restructuring Reserve [Roll Forward]
Beginning Balance	0
Restructuring Charges	23.4
Utilized - Cash	0
Utilized - Non-cash	(23.4)
Ending Balance	0
Restructuring Plan 2013 [Member] | Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Beginning Balance	0
Restructuring Charges	13.6
Utilized - Cash	(0.2)
Utilized - Non-cash	0
Ending Balance	13.4
Restructuring Plan 2013 [Member] | Other Related Exit Costs [Member]
Restructuring Reserve [Roll Forward]
Beginning Balance	0
Restructuring Charges	12.0
Utilized - Cash	(4.5)
Utilized - Non-cash	0
Ending Balance	7.5
Household Products Restructuring [Member]
Restructuring Reserve [Roll Forward]
Restructuring Charges	3.6	(9.2)
Household Products Restructuring [Member] | Facility Closing [Member]
Restructuring Reserve [Roll Forward]
Restructuring Charges	$ 13.0