Net Income (Loss) Per Share (Tables)

3 Months Ended

Mar. 31, 2018

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

	Three months ended March 31,
In thousands except per share amounts	2018		2017
Net income (loss) available to common stockholders:
Income (loss) from continuing operations	$	691	$	18,299
Income (loss) from discontinued operations	550		364
	$	1,241	$	18,663
Weighted average shares:
Basic	184,367		178,898
Effect of stock-based compensation plans	3,254		4,170
Diluted	187,621		183,068
Basic income (loss) per share:
Income (loss) from continuing operations	$	0.00	$	0.10
Income (loss) from discontinued operations	0.00		0.00
Basic(1)	$	0.01	$	0.10
Diluted income (loss) per share:
Income (loss) from continuing operations	$	0.00	$	0.10
Income (loss) from discontinued operations	0.00		0.00
Diluted(1)	$	0.01	$	0.10