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Net Income (Loss) Per Share (Tables)
 6 Months Ended
Jun. 30, 2018
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted
 
Three months ended June 30,
 
Six months ended June 30,
In thousands except per share amounts
2018
 
2017
 
2018
 
2017
Net income (loss) available to common stockholders:
 
 
 
 
 
 
 
Income (loss) from continuing operations
$
2,930

 
$
(9,995
)
 
$
3,621

 
$
8,304

Income (loss) from discontinued operations
—

 
(960
)
 
550

 
(596
)
 
$
2,930

 
$
(10,955
)
 
$
4,171

 
$
7,708

 
 
 
 
 
 
 
 
Weighted average shares:
 
 
 
 
 
 
 
Basic
185,183

 
179,241

 
184,777

 
179,071

Effect of stock-based compensation plans
2,305

 
—

 
2,780

 
4,049

Diluted
187,488


179,241


187,557


183,120

 
 
 
 
 
 
 
 
Basic income (loss) per share:
 
 
 
 
 
 
 
Income (loss) from continuing operations
$
0.02

 
$
(0.06
)
 
$
0.02

 
$
0.05

Income (loss) from discontinued operations
0.00

 
(0.01
)
 
0.00

 
0.00

Basic(1)
$
0.02

 
$
(0.06
)
 
$
0.02


$
0.04

 
 
 
 
 
 
 
 
Diluted income (loss) per share:
 
 
 
 
 
 
 
Income (loss) from continuing operations
$
0.02

 
$
(0.06
)
 
$
0.02

 
$
0.05

Income (loss) from discontinued operations
0.00

 
(0.01
)
 
0.00

 
0.00

Diluted(1)
$
0.02

 
$
(0.06
)
 
$
0.02


$
0.04