Stock-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2013

Stock-Based Compensation

Summary of stock option activity

					WEIGHTED-
			WEIGHTED-		AVERAGE	AGGREGATE
			AVERAGE		REMAINING	INTRINSIC
			EXERCISE		CONTRACTUAL	VALUE
	SHARES		PRICE		LIFE (in years)	(in thousands)
Options outstanding at January 1, 2012	3,948,874		$	28.91	2.4
Granted	756,000		18.55
Exercised	(380,813	)	18.30
Forfeited	(699,498	)	35.33
Options outstanding at September 30, 2012	3,624,563		$	26.62	3.0	$	28,297
Available for future grant	3,071,288
Total shares reserved at September 30, 2012	6,695,851
Options exercisable at September 30, 2012	2,172,926		$	32.01	1.8	$	11,667
Options outstanding at January 1, 2013	3,419,423		$	26.92	2.9
Granted	-		-
Exercised	(815,394	)	25.07
Forfeited	(60,289	)	21.24
Options outstanding at September 30, 2013	2,543,740		$	27.65	2.5	$	40,113
Available for future grant	3,132,053
Total shares reserved at September 30, 2013	5,675,793
Options exercisable at September 30, 2013	1,839,432		$	31.38	1.7	$	24,172

Summary of activity that relates to the Company's restricted stock unit awards

	2013		2012
Restricted stock units at January 1	774,217		657,825
Shares awarded	143,594		400,568
Shares vested	(354,369	)	(350,349	)
Shares forfeited	(21,534	)	(6,667	)
Restricted stock units at September 30	541,908		701,377