Quarterly report pursuant to Section 13 or 15(d)

Earnings Per Share (Details Textuals)

 v2.3.0.11
Earnings Per Share (Details Textuals)
In Millions
3 Months Ended 6 Months Ended
Jun. 30, 2011
Jun. 30, 2010
Jun. 30, 2011
Jun. 30, 2010
Earnings Per Share (Textuals )        
Equity grants with anti-dilutive effect 1.2 4.1 1.2 4.4