Basic and Diluted Earnings Per Share (Tables)

6 Months Ended

Nov. 30, 2016

Basic and Diluted Earnings Per Share [Abstract]

Basic and Diluted Earnings Per Share

	For the three months ended,				For the six months ended
	November 30,				November 30,
In millions, except per share amounts	2016		2015		2016		2015
Basic earnings per share:
Net income	$	202.1	$	189.2	$	419.5	$	398.3
Weighted-average common shares outstanding		360.2		360.7		360.4		360.9
Basic earnings per share	$	0.56	$	0.52	$	1.16	$	1.10
Diluted earnings per share:
Net income	$	202.1	$	189.2	$	419.5	$	398.3
Weighted-average common shares outstanding		360.2		360.7		360.4		360.9
Dilutive effect of common share equivalents		2.4		1.6		2.8		1.7
Weighted-average common shares outstanding, assuming dilution		362.6		362.3		363.2		362.6
Diluted earnings per share	$	0.56	$	0.52	$	1.16	$	1.10
Weighted-average anti-dilutive common share equivalents		0.7		0.8		0.6		0.6