Earnings (Loss) per Common Share (Tables)

9 Months Ended

Sep. 30, 2018

Earnings (Loss) per Common Share

Schedule of computation of income per share

	Three months ended					Nine months ended
	September 30,					September 30,
	2018			2017		2018		2017
		(in millions, except for per share data)
Net income (loss)	$		30.5	$	(2.1)	$	(147.0)	$	75.3
Basic weighted-average shares			80,663,128		86,973,345		82,319,223		76,014,568
Effect of dilutive securities:
Restricted stock awards			906,045		—		—		81,833
Diluted weighted-average shares			81,569,173		86,973,345		82,319,223		76,096,401
Basic net income (loss) per share	$		0.38	$	(0.02)	$	(1.79)	$	0.99
Diluted net income (loss) per share	$		0.37	$	(0.02)	$	(1.79)	$	0.99