Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 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	726,000	18.22
Exercised	(18,667)	14.39
Forfeited	(185,197)	21.93
Options outstanding at March 31, 2012	4,471,010	$	27.52	3.0	$	4,763
Available for future grant	2,559,240
Total shares reserved at March 31, 2012	7,030,250
Options exercisable at March 31, 2012	3,000,374	$	31.97	1.9	$	2,584
Options outstanding at January 1, 2013	3,419,423	$	26.92	2.9
Granted	-	-
Exercised	(340,819)	24.71
Forfeited	(39,089)	22.50
Options outstanding at March 31, 2013	3,039,515	$	27.23	2.8	$	50,621
Available for future grant	3,105,328
Total shares reserved at March 31, 2013	6,144,843
Options exercisable at March 31, 2013	2,303,539	$	30.17	2.1	$	33,257

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	(344,369	)	(294,856)
Shares forfeited	(21,534	)	(6,667)
Restricted stock units at March 31	551,908		756,870