Quarterly report pursuant to Section 13 or 15(d)

Earnings (Loss) Per Share (Details)

v2.4.0.8
Earnings (Loss) Per Share (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Earnings Per Share [Abstract]        
Net earnings (loss) attributable to Centene Corporation $ 49,373 $ 3,819 $ 111,859 $ (7,202)
Weighted average number of common shares outstanding (in shares) 54,679,660 51,584,860 53,863,779 51,393,345
Common stock equivalents (as determined by applying the treasury stock method) 2,253,396 2,221,337 2,092,642 0
Weighted average number of common shares and potential dilutive common shares outstanding (in shares) 56,933,056 53,806,197 55,956,421 51,393,345
Basic earnings (loss) per common share (in dollars per share) $ 0.90 $ 0.07 $ 2.08 $ (0.14)
Diluted earnings (loss) per common share (in dollars per share) $ 0.87 $ 0.07 $ 2.00 $ (0.14)
Anti-dilutive stock options, restricted stock and restricted stock units excluded from the calculation of diluted earnings per common share 14,532 44,642 76,957 4,638,757