Stock Options (Tables)

9 Months Ended

Sep. 30, 2015

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
	2015			2014
Weighted-average fair value of grant	$	9.00		$	11.27
Risk-free interest rate		1.28	%		1.04	%
Expected volatility		45.46	%		45.65	%
Expected life of options in years		4.92			3.71
Expected dividend yield		—			—

Summary of Stock Option Activity

A summary of stock option activity for the nine months ended September 30, 2015 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, 2014		2,816		$	29.51
Granted		728			23.42
Exercised		(190	)		19.53
Forfeited and expired		(528	)		33.91


Outstanding at Sept. 30, 2015		2,826			27.79		3.00	$	.0


Expected to vest at Sept. 30, 2015		1,321			26.34		4.41		.0


Exercisable at Sept. 30, 2015		1,448			29.25		1.62		.0

Summary of Restricted Stock Unit Activity

A summary of restricted stock unit activity for the nine months ended September 30, 2015 follows (shares in thousands):


	Restricted Stock Units			Weighted- Average Grant-Date Fair Value
Outstanding at December 31, 2014		354		$	28.81
Granted		446			22.65
Vested		(81	)		23.87
Forfeited and expired		(226	)		29.42

Outstanding at Sept. 30, 2015		493			23.78