Basis of Presentation (Tables)

9 Months Ended

Sep. 30, 2017

Weighted average shares used in the basic and diluted net income (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		Nine Months Ended
	September 30,		September 30,
In thousands	2017	2016	2017	2016
Basic weighted average common shares outstanding	392,013	388,572	390,448	368,863
Potentially dilutive securities
Restricted stock and performance-based equity awards	1,010	—	2,177	—
Diluted weighted average common shares outstanding	393,023	388,572	392,625	368,863

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		Nine Months Ended
	September 30,		September 30,
In thousands	2017	2016	2017	2016
Stock appreciation rights	4,551	6,091	4,793	6,590
Restricted stock and performance-based equity awards	9,891	9,178	6,259	6,053