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EARNINGS PER SHARE (Tables)
 6 Months Ended
Jun. 30, 2018
Earnings Per Share [Abstract]  
Schedule of earnings per share
(in millions, except per share data)
Three Months Ended
June 30,
 
Six Months Ended
June 30,
 
2018
 
2017
 
2018
 
2017
Income (loss) from continuing operations
$
55.9

 
$
95.4

 
$
103.5

 
$
35.1

Gain (loss) on disposition of discontinued operations–net of tax
1.9

 
5.4

 
4.6

 
61.1

Net income (loss)
$
57.8

 
$
100.8

 
$
108.1

 
$
96.2

Basic shares:
 
 
 

 
 
 
 
Weighted average shares outstanding
75.5

 
95.7

 
77.6

 
100.4

Earnings (loss) per share – basic:
 

 
 

 
 
 
 
Income (loss) from continuing operations
$
0.74

 
$
0.99

 
$
1.33

 
$
0.35

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

 
0.06

 
0.06

 
0.61

Net income (loss)
$
0.77

 
$
1.05

 
$
1.39

 
$
0.96

Diluted shares:
 

 
 

 
 
 
 
Weighted average shares outstanding - basic
75.5

 
95.7

 
77.6

 
100.4

Effect of dilutive securities:
 

 
 

 
 
 
 
Stock options and restricted stock awards
1.2

 
1.4

 
1.7

 
1.8

Diluted weighted average shares outstanding
76.7

 
97.1

 
79.3

 
102.2

Earnings (loss) per share – diluted:
 

 
 

 
 
 
 
Income (loss) from continuing operations
$
0.73

 
$
0.98

 
$
1.30

 
$
0.34

Gain (loss) on disposition of discontinued operations–net of tax
0.02

 
0.06

 
0.06

 
0.60

Net income (loss)
$
0.75

 
$
1.04

 
$
1.36

 
$
0.94