Stock-Based Compensation (Tables)

6 Months Ended

Jun. 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	736,000	18.22
Exercised	(53,736)	15.33
Forfeited	(600,958)	35.19
Options outstanding at June 30, 2012	4,030,180	$	26.20	3.0	$	19,230
Available for future grant	2,992,748
Total shares reserved at June 30, 2012	7,022,928
Options exercisable at June 30, 2012	2,590,876	$	30.54	1.9	$	8,883
Options outstanding at January 1, 2013	3,419,423	$	26.92	2.9
Granted	-	-
Exercised	(779,394)	25.38
Forfeited	(60,289)	21.24
Options outstanding at June 30, 2013	2,579,740	$	27.52	2.7	$	39,960
Available for future grant	3,132,053
Total shares reserved at June 30, 2013	5,711,793
Options exercisable at June 30, 2013	1,868,765	$	31.14	1.9	$	24,266

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 June 30	541,908		701,377