Equity and Earnings Per Share (Tables)

9 Months Ended

Mar. 31, 2017

Earnings Per Share [Abstract]

Computation Of Basic And Diluted Earnings Per Common Share

(in millions, except per share data)	Three Months Ended				Nine Months Ended
	March 31, 2017		March 31, 2016		March 31, 2017		March 31, 2016
Net income attributable to common stock	$	17.8	$	47.9	$	77.4	$	112.2
Weighted average number of shares outstanding, used in computing basic earnings per share	50.5		52.9		51.8		53.7
Dilutive common stock equivalents	0.7		0.7		0.8		0.8
Weighted average number of shares outstanding used in computing diluted earnings per share	51.2		53.6		52.6		54.5
Basic earnings per share	$	0.35	$	0.91	$	1.49	$	2.09
Diluted earnings per share	$	0.35	$	0.89	$	1.47	$	2.06
Anti-dilutive equity instruments (excluded from the calculation of diluted earnings per share)	0.7		1.7		0.7		1.3