Stock Options (Tables)

9 Months Ended

Sep. 30, 2014

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
	2014			2013
Weighted-average fair value of grant	$	11.27		$	8.76
Risk-free interest rate		1.04	%		.54	%
Expected volatility		45.65	%		50.19	%
Expected life of options in years		3.71			3.69
Expected dividend yield		—			—

Summary of Stock Option Activity

A summary of stock option activity for the nine months ended September 30, 2014 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, 2013		2,698		$	32.74
Granted		749			32.26
Exercised		(265	)		14.06
Forfeited and expired		(340	)		72.90

Outstanding at Sept. 30, 2014		2,842			29.55		2.62	$	2.2

Expected to vest at Sept. 30, 2014		1,346			27.38		3.74		.9

Exercisable at Sept. 30, 2014		1,463			31.56		1.55		1.3

Summary of Restricted Stock Unit Activity

A summary of restricted stock unit activity for the nine months ended September 30, 2014 follows (shares in thousands):


	Restricted Stock Units			Weighted- Average Grant-Date Fair Value
Outstanding at December 31, 2013		401		$	23.45
Granted		395			32.19
Vested		(101	)		26.85
Forfeited and expired		(219	)		24.77

Outstanding at Sept. 30, 2014		476			29.36