Stock Based Compensation (Tables)

6 Months Ended

Jun. 30, 2011

Stock Based Compensation (Tables) [Abstract]

Summary of changes in outstanding stock options

	For the Six Months Ended June 30,
	2011					2010
	Number of			Weighted		Number of			Weighted
	Stock			Average		Stock			Average
	Options			Exercise Price		Options			Exercise Price
Outstanding at beginning of period		28,129,885		$	12.68		24,262,692		$	12.51
Granted		1,567,119			9.53		4,195,000			13.13
Exercised		(6,412	)		5.96		(126,387	)		6.53
Forfeited		(7,500	)		12.76		(47,500	)		14.79
Outstanding at end of period		29,683,092		$	12.51		28,283,805		$	12.63

Weighted average assumptions

	2011			2011
	Retention Options			Performance Options
Expected dividend yield		3.37	%		3.37	%
Expected volatility		43.54	%		36.93	%
Risk-free interest rate		1.06	%		2.01	%
Expected option life	3 years			5 years
Fair value of options granted	$	2.32		$	2.39