Basis of Presentation (Tables)

3 Months Ended

Mar. 31, 2012

Basis of Presentation (Tables) [Abstract]

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

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

		Three Months Ended
		March 31,
In thousands		2012	2011
Basic weighted average common shares		386,367	397,386
Potentially dilutive securities:
	Stock options and SARs	3,330	—
	Performance equity awards	117	—
	Restricted stock	1,129	—
Diluted weighted average common shares		390,943	397,386

Anti-dilutive securities excluded from computation of diluted net 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 per share as their effect would have been antidilutive:

		Three Months Ended
		March 31,
In thousands		2012	2011
Stock options and SARs		3,179	12,641
Restricted stock		10	3,453
	Total	3,189	16,094