Annual report pursuant to Section 13 and 15(d)

Basis of Presentation (Details 2)

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Basis of Presentation (Details 2)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Computation of Basic and Diluted Earnings Per Share      
Weighted average shares used in basic computations 117,540 119,004 122,442
Dilutive effect of exercise of equity grants outstanding 7,046 7,059 3,468
Dilutive effect of warrants 260 432 284
Weighted average shares used in diluted computations 124,846 126,495 126,194