EARNINGS PER-SHARE (Tables)

6 Months Ended

Jun. 30, 2016

EARNINGS PER-SHARE

Schedule of basic and diluted earnings per share

The number of shares used to compute basic and diluted earnings per-share for the three and six months ended June 30, 2016 and 2015, is as follows (in millions, except per-share amounts):

	Three Months Ended June 30, 2016					Six Months Ended June 30, 2016
			Weighted-	Per				Weighted-	Per
			Average	Common				Average	Common
	Net		Common	Share		Net		Common	Share
	Income		Shares	Amount		Income		Shares	Amount
Basic:	$	18.0	43.1	$	0.42	$	36.1	43.3	$	0.83
Effect of Dilutive Securities:			0.3		—			0.4		—
Diluted:	$	18.0	43.4	$	0.42	$	36.1	43.7	$	0.83

	Three Months Ended June 30, 2015					Six Months Ended June 30, 2015
			Weighted-	Per				Weighted-	Per
			Average	Common				Average	Common
	Net		Common	Share		Net		Common	Share
	Income		Shares	Amount		Income		Shares	Amount
Basic:	$	9.9	43.5	$	0.23	$	34.9	43.4	$	0.80
Effect of Dilutive Securities:			0.5		—			0.5		(0.01)
Diluted:	$	9.9	44.0	$	0.23	$	34.9	43.9	$	0.79