Basis of Presentation (Tables)

6 Months Ended

Jun. 30, 2017

Weighted average shares used in the basic and diluted net loss per common share

The following is a reconciliation of the weighted average shares used in the basic and diluted net income (loss) per common share calculations for the periods indicated:



	Three Months Ended		Six Months Ended
	June 30,		June 30,
In thousands	2017	2016	2017	2016
Basic weighted average common shares outstanding	389,904	370,566	389,652	358,901
Potentially dilutive securities
Restricted stock and performance-based equity awards	1,923	—	2,762	—
Diluted weighted average common shares outstanding	391,827	370,566	392,414	358,901

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

The following securities could potentially dilute earnings per share in the future, but were excluded from the computation of diluted net income (loss) per share, as their effect would have been antidilutive:



	Three Months Ended		Six Months Ended
	June 30,		June 30,
In thousands	2017	2016	2017	2016
Stock appreciation rights	4,785	6,265	4,914	6,839
Restricted stock and performance-based equity awards	7,655	4,374	4,442	4,491