EARNINGS PER-SHARE (Tables)

9 Months Ended

Sep. 30, 2017

EARNINGS PER-SHARE

Schedule of basic and diluted earnings per share

	Three Months Ended September 30, 2017					Nine Months Ended September 30, 2017
			Weighted-	Per				Weighted-	Per
			Average	Common				Average	Common
	Net		Common	Share		Net		Common	Share
(In millions, except per-share amounts)	Income		Shares	Amount		Income		Shares	Amount
Basic:	$	34.1	42.9	$	0.79	$	65.1	43.0	$	1.51
Effect of Dilutive Securities:			0.3		—			0.3		(0.01)
Diluted:	$	34.1	43.2	$	0.79	$	65.1	43.3	$	1.50

	Three Months Ended September 30, 2016					Nine Months Ended September 30, 2016
			Weighted-	Per				Weighted-	Per
			Average	Common				Average	Common
	Net		Common	Share		Net		Common	Share
(In millions, except per-share amounts)	Income		Shares	Amount		Income		Shares	Amount
Basic:	$	25.3	42.8	$	0.59	$	61.4	43.1	$	1.42
Effect of Dilutive Securities:			0.4		—			0.4		(0.01)
Diluted:	$	25.3	43.2	$	0.59	$	61.4	43.5	$	1.41