v2.3.0.15
Earnings Per Share (Reconciliation Of Weighted-Average Shares Used In Earnings Per Share Computations) (Details)
3 Months Ended9 Months Ended
Sep. 30, 2011
Sep. 30, 2010
Sep. 30, 2011
Sep. 30, 2010
Earnings Per Share [Abstract]    
Weighted-average shares - basic228,100,000141,100,000180,000,000140,900,000
Potentially dilutive share options500,000100,000400,000100,000
Weighted-average shares - diluted228,600,000141,200,000180,400,000141,000,000
Antidilutive share options excluded from computation of diluted earnings per share800,0001,100,000400,0001,100,000