Basis of Presentation (Tables)

6 Months Ended

Jun. 30, 2015

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		Six Months Ended
	June 30,		June 30,
In thousands	2015	2014	2015	2014
Basic weighted average common shares outstanding	350,039	347,803	349,653	349,267
Potentially dilutive securities
Restricted stock, stock options, SARs and performance-based equity awards	—	—	—	2,299
Diluted weighted average common shares outstanding	350,039	347,803	349,653	351,566

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	2015	2014	2015	2014
Stock options and SARs	9,949	4,949	10,228	4,601
Restricted stock and performance-based equity awards	2,241	1,337	2,595	679