Restructuring Initiatives Restructuring Initiatives (Charges Reportable by Business Segment for $400M Cost Savings Initiative) (Details) ($400M Cost Savings Initiative [Member], USD $) In Millions, unless otherwise specified	6 Months Ended
	Mar. 31, 2013
Restructuring Cost and Reserve [Line Items]
Estimated charges to be incurred on approved initiatives	$ 19.0
Latin America [Member]
Restructuring Cost and Reserve [Line Items]
Estimated charges to be incurred on approved initiatives	7.1
Europe Middle East & Africa [Member]
Restructuring Cost and Reserve [Line Items]
Estimated charges to be incurred on approved initiatives	18.6
North America [Member]
Restructuring Cost and Reserve [Line Items]
Estimated charges to be incurred on approved initiatives	(3.4)
Asia Pacific [Member]
Restructuring Cost and Reserve [Line Items]
Estimated charges to be incurred on approved initiatives	(3.3)
Corporate [Member]
Restructuring Cost and Reserve [Line Items]
Estimated charges to be incurred on approved initiatives	$ 0