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EARNINGS PER SHARE (Tables)
 3 Months Ended
Mar. 31, 2018
Earnings Per Share [Abstract]  
Schedule of earnings per share
(in millions, except per share data)
Three Months Ended
March 31,
 
2018
 
2017
Income (loss) from continuing operations
$
47.6

 
$
(60.3
)
Gain (loss) on disposition of discontinued operations–net of tax
2.7

 
55.7

Net income (loss)
$
50.3

 
$
(4.6
)
Basic shares:
 
 
 

Weighted average shares outstanding
79.7

 
105.2

Earnings (loss) per share – basic:
 

 
 

Income (loss) from continuing operations
$
0.60

 
$
(0.57
)
Gain (loss) on disposition of discontinued operations–net of tax
0.03

 
0.53

Net income (loss)
$
0.63

 
$
(0.04
)
Diluted shares:
 

 
 

Weighted average shares outstanding - basic
79.7

 
105.2

Effect of dilutive securities:
 

 
 

Stock options and restricted stock awards
2.0

 
—

Diluted weighted average shares outstanding
81.7

 
105.2

Earnings (loss) per share – diluted:
 

 
 

Income (loss) from continuing operations
$
0.59

 
$
(0.57
)
Gain (loss) on disposition of discontinued operations–net of tax
0.03

 
0.53

Net income (loss)
$
0.62

 
$
(0.04
)