Basis of Presentation and Accounting Policies (Tables)

3 Months Ended

Dec. 31, 2016

Accounting Policies [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

The following table reconciles basic and diluted earnings per share (EPS) amounts (in millions, except per share amounts):

	Three Months Ended December 31,
	2016			2015
Net income	$	214.7		$	185.5
Less: Allocation to participating securities	(0.2		)	(0.2		)
Net income available to common shareowners	$	214.5		$	185.3
Basic weighted average outstanding shares	128.3			131.8
Effect of dilutive securities
Stock options	1.2			0.8
Performance shares	0.2			—
Diluted weighted average outstanding shares	129.7			132.6
Earnings per share:
Basic	$	1.67		$	1.41
Diluted	$	1.65		$	1.40