Share-Based Compensation (Tables)

6 Months Ended

Mar. 31, 2014

Share-Based Compensation [Abstract]

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

Expected volatility	29.8%–30.3	%
Expected dividend yield	2.5	%
Expected life (in years)	7.4–8.4
Risk-free interest rate	2.3%–2.7	%

Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block]

Share-based compensation cost recognized in the consolidated income statement is summarized below:
			Three Months Ended				Six Months Ended
			31 March				31 March
			2014		2013		2014		2013
	Before-Tax Share-Based Compensation Cost	$	11.6	$	12.3	$	23.4	$	22.4
	Income tax benefit		(3.9)		(4.5)		(8.2)		(8.1)
	After-Tax Share-Based Compensation Cost	$	7.7	$	7.8	$	15.2	$	14.3