EARNINGS PER SHARE (Tables)

6 Months Ended

Jun. 30, 2019

Earnings Per Share [Abstract]

Basic and Diluted Earnings Per Share Table

	Three Months Ended June 30,					Six Months Ended June 30,
	2019			2018		2019		2018
Computation of Income (Loss) per Share	(In millions, except per share data)
Net (loss) income	$	(20.0	)	$	58.6	$	21.7	$	79.5
Basic shares	164.6			167.1		164.8		167.1
Basic net (loss) income per share	$	(0.12	)	$	0.35	$	0.13	$	0.48
Diluted shares:
Basic shares	164.6			167.1		164.8		167.1
Stock-based compensation	—			1.7		0.9		2.0
Diluted shares	164.6			168.8		165.7		169.1
Diluted net (loss) income per share	$	(0.12	)	$	0.35	$	0.13	$	0.47