Share-Based Compensation (Tables)

3 Months Ended

Dec. 31, 2015

Share-Based Compensation [Abstract]

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 31 December		2015		2014
	Before-Tax Share-Based Compensation Cost	$	10.2	$	11.9
	Income Tax Benefit		(3.5)		(4.0)
	After-Tax Share-Based Compensation Cost	$	6.7	$	7.9

Schedule of Share-based Payment Award, Market-Based Deferred Stock Units, Valuation Assumptions [Table Text Block]

Expected volatility	20.5	%
Risk-free interest rate	1.2	%
Expected dividend yield	2.2	%