Stock Options (Tables)

9 Months Ended

Sep. 30, 2012

The fair value of stock option awards was estimated using the Black-Scholes option pricing model with the following assumptions and weighted-average fair values:


	Nine Months Ended Sept. 30
	2012			2011
Weighted-average fair value of grant	$	9.73		$	20.12
Risk-free interest rate		.54	%		1.71	%
Expected volatility		71.29	%		71.31	%
Expected life of options in years		3.65			3.62
Expected dividend yield		—			—

Summary of Stock Option Activity

A summary of stock option activity for the nine months ended September 30, 2012 follows (shares in thousands):


Options	Shares			Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Term (years)		Aggregate Intrinsic Value ($ in millions)
Outstanding at December 31, 2011		2,707		$	56.81
Granted		685			19.48
Exercised		(60	)		5.99
Forfeited and expired		(545	)		123.55

Outstanding at Sept. 30, 2012		2,787			35.49		2.61	$	9.0

Expected to vest at Sept. 30, 2012		1,186			27.64		3.77		.9

Exercisable at Sept. 30, 2012		1,557			41.80		1.68		8.1

Summary of Restricted Stock Unit Activity

A summary of restricted stock unit activity for the nine months ended September 30, 2012 follows (shares in thousands):


	Restricted Stock Units			Weighted- Average Grant-Date Fair Value
Outstanding at December 31, 2011		384		$	32.39
Granted		164			19.41
Vested		(171	)		24.21
Forfeited and expired		(20	)		27.42

Outstanding at Sept. 30, 2012		357			25.23