Earnings Per Common Share (Tables)

6 Months Ended

Jun. 30, 2019

Earnings Per Share [Abstract]

Computation of basic and diluted earnings per share

The computation of basic and diluted earnings per share follows.     

	Three Months Ended June 30, 2019						Three Months Ended June 30, 2018
	Income (Loss)			Average Shares	EPS		Income (Loss)		Average Shares	EPS
	(in millions, except per share amounts)
Net income	$	31.8					$	22.6
Unvested restricted share participation	(0.3		)				—
Net income – basic	31.5			47.8	$	0.66	22.6		48.8	$	0.46
Effect of dilutive securities:
Nonparticipating unvested restricted shares	—			0.5			—		—
Net income – diluted	$	31.5		48.3	$	0.65	$	22.6	48.8	$	0.46
	Six Months Ended June 30, 2019						Six Months Ended June 30, 2018
	Income (Loss)			Average Shares	EPS		Income (Loss)		Average Shares	EPS
	(in millions, except per share amounts)
Net income	$	59.5					$	44.8
Unvested restricted share participation	(0.7		)				—
Net income – basic	58.8			47.9	$	1.23	44.8		48.8	$	0.92
Effect of dilutive securities:
Nonparticipating unvested restricted shares	—			0.5			—		—
Net income – diluted	$	58.8		48.4	$	1.21	$	44.8	48.8	$	0.92