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Net Income (Loss) Per Share
 12 Months Ended
Dec. 31, 2018
Earnings Per Share [Abstract]  
NET INCOME (LOSS) PER SHARE
NET INCOME (LOSS) PER SHARE
Basic net income (loss) per share is computed by dividing net income (loss) available to common stockholders by the weighted average number of common shares outstanding during the period. Diluted net income (loss) per share reflects the potential dilution that would occur if securities or other contracts to issue common stock were exercised or converted into common stock.
For the years ended December 31, 2018, 2017, and 2016, 1,321,242, 653,354, and 386,771 common stock equivalents, respectively, related to equity-based awards were not included in the diluted earnings per share calculation as the shares would be antidilutive.
 
Year ended December 31,
In thousands except per share amounts
2018
 
2017
 
2016
Net income (loss) available to common stockholders:
 
 
 
 
 
Income (loss) from continuing operations
$
(48,955
)
 
$
10,925

 
$
22,435

Income (loss) from discontinued operations
550

 
(12,244
)
 
32,917

 
$
(48,405
)
 
$
(1,319
)
 
$
55,352

 
 
 
 
 
 
Weighted average shares:
 
 
 
 
 
Basic
188,606

 
180,096

 
159,853

Effect of stock-based compensation plans
—

 
4,048

 
3,606

Diluted
188,606


184,144


163,459

 
 
 
 
 
 
Basic income (loss) per share:
 
 
 
 
 
Income (loss) from continuing operations
$
(0.26
)
 
$
0.06


$
0.14

Income (loss) from discontinued operations
—

 
(0.07
)

0.21

Basic(1)
$
(0.26
)

$
(0.01
)

$
0.35

 
 
 
 
 
 
Diluted income (loss) per share:
 
 
 
 
 
Income (loss) from continuing operations
$
(0.26
)
 
$
0.06

 
$
0.14

Income (loss) from discontinued operations
—

 
(0.07
)
 
0.20

Diluted(1)
$
(0.26
)

$
(0.01
)

$
0.34


(1) Due to rounding, the sum of net income per share from continuing operations and discontinued operations may not equal net income per share.