XML 21 R26.htm IDEA: XBRL DOCUMENT v2.4.0.8
Stockholders' Equity - Reconciliation of Denominators used in Computation of Basic and Diluted Earnings Per Share (Details)
3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Stockholders' Equity Note [Abstract]        
Basic weighted average shares outstanding 296,842,771 296,237,956 296,755,815 295,964,359
Weighted shares assumed upon exercise of stock options 873,604 940,790 945,509 1,119,341
Diluted weighted average shares outstanding 297,716,375 297,178,746 297,701,324 297,083,700