Earnings per Common Share (Tables)

9 Months Ended

Mar. 31, 2020

Earnings Per Share [Abstract]

Schedule of calculations of basic and diluted earnings per common share

The calculations of basic and diluted earnings per common share for the three and nine months ended March 31, 2020 and 2019 were as follows: 

	Three Months Ended March 31,						Nine Months Ended March 31,
(in millions, except per share data)	2020			2019			2020			2019
Net income	$	39.9		$	51.1		$	119.9		$	118.1
Less: earnings and dividends allocated to participating securities	(0.4		)	(0.6		)	(1.1		)	(1.4		)
Earnings available for common stockholders used in calculation of basic earnings per common share	$	39.5		$	50.5		$	118.8		$	116.7
Weighted average number of common shares outstanding, basic	48.1			47.7			48.0			47.7
Basic earnings per common share	$	0.82		$	1.06		$	2.47		$	2.45
Net income	$	39.9		$	51.1		$	119.9		$	118.1
Less: earnings and dividends allocated to participating securities	(0.4		)	(0.6		)	(1.1		)	(1.4		)
Earnings available for common stockholders used in calculation of diluted earnings per common share	$	39.5		$	50.5		$	118.8		$	116.7
Weighted average number of common shares outstanding, basic	48.1			47.7			48.0			47.7
Effect of shares issuable under share-based compensation plans	0.2			0.4			0.4			0.4
Weighted average number of common shares outstanding, diluted	48.3			48.1			48.4			48.1
Diluted earnings per common share	$	0.82		$	1.05		$	2.46		$	2.43

Schedule of awards issued under share-based compensation plans excluded from the calculations of diluted earnings per share

The following awards issued under share-based compensation plans were excluded from the above calculations of diluted earnings per share because their effects were anti-dilutive:

	Three Months Ended March 31,		Nine Months Ended March 31,
(in millions)	2020	2019	2020	2019
Stock options	2.0	0.8	0.9	0.7