Earnings (Loss) per Common Share (Tables)

6 Months Ended

Jun. 30, 2018

Earnings (Loss) per Common Share

Schedule of computation of income per share

	Three months ended				Six months ended
	June 30,				June 30,
Computation of Income per Share	2018		2017		2018		2017
	(in millions, except for per share data)
Net income (loss)	$	25.2	$	5.0	$	(177.5)	$	77.4
Basic weighted-average shares		81,868,508		74,309,106		83,159,949		70,413,415
Effect of dilutive securities:
Restricted stock awards		784,207		24,319		—		24,319
Diluted weighted-average shares		82,652,715		74,333,425		83,159,949		70,437,734
Basic net income (loss) per share	$	0.31	$	0.07	$	(2.13)	$	1.10
Diluted net income (loss) per share	$	0.31	$	0.07	$	(2.13)	$	1.10