Centene Corporation Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

Cover
- Document And Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Summary Of Significant Accounting Policies (Policy)
Notes Tables
Notes Details
Uncategorized

Stock Incentive Plans (Tables)

v2.4.0.6

Stock Incentive Plans (Tables)

12 Months Ended

Dec. 31, 2011

Stock Incentive Plans [Abstract]

Summary Of Stock Option Activity


	Shares			Weighted Average Exercise Price		Aggregate Intrinsic Value		Weighted Average Remaining Contractual Term
Outstanding as of December 31, 2010		3,138,521		$	20.71
Granted		10,000			31.39
Exercised		(914,859	)		20.65
Forfeited		(37,100	)		23.73

Outstanding as of December 31, 2011		2,196,562		$	20.75	$	41,393		3.9

Exercisable as of December 31, 2011		2,000,662			20.68	$	37,837		3.6

Option Pricing Assumptions


	Year Ended December 31,
	2011			2010			2009
Expected life (in years)		5.2			5.8			5.8
Risk-free interest rate		0.9	%		2.7	%		2.2	%
Expected volatility		49.9	%		48.2	%		50.9	%
Expected dividend yield		0	%		0	%		0	%

Stock Option Awards


	Year Ended December 31,
	2011		2010		2009
Weighted-average fair value of options granted	$	13.94	$	11.60	$	8.76
Total intrinsic value of stock options exercised	$	11,744	$	1,999	$	2,192

Non-Vested Restricted Stock And Restricted Stock


	Shares			Weighted Average Grant Date Fair Value
Non-vested balance as of December 31, 2010		1,868,035		$	22.62
Granted		982,363			35.32
Vested		(698,110	)		21.55
Forfeited		(33,685	)		20.69

Non-vested balance as of December 31, 2011		2,118,603		$	28.55

- Definition

Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year.

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Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms.

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