EARNINGS PER SHARE (Tables)

9 Months Ended

Sep. 30, 2019

Earnings Per Share [Abstract]

Basic and Diluted Earnings Per Share Table

	Three Months Ended September 30,				Nine Months Ended September 30,
	2019		2018		2019		2018
Computation of Income per Share	(In millions, except per share data)
Net income	$	44.2	$	195.1	$	65.9	$	274.6
Basic shares	161.9		167.0		163.7		167.1
Basic net income per share	$	0.27	$	1.17	$	0.40	$	1.64
Diluted shares:
Basic shares	161.9		167.0		163.7		167.1
Stock-based compensation	0.9		1.6		0.8		1.8
Diluted shares	162.8		168.6		164.5		168.9
Diluted net income per share	$	0.27	$	1.16	$	0.40	$	1.63