Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2012

Stock-Based Compensation

Information on stock options issued under the plans

	Number of Option Shares			Weighted-Average Exercise Price		Weighted- Average Remaining Contractual Term (in years)		Aggregate Intrinsic Value (in thousands)
Outstanding at December 31, 2009		9,966,125		$	27.83		5.67	$	33,038
Granted		1,868,500			27.19
Exercised		(823,056	)		13.96
Canceled		(177,125	)		28.84
Outstanding at December 31, 2010		10,834,444		$	28.75		5.16	$	76,807
Granted		1,631,000			35.47
Exercised		(695,915	)		24.02
Canceled		(161,500	)		26.96
Outstanding at December 31, 2011		11,608,029		$	30.00		4.53	$	100,337
Granted		1,466,000			38.11
Exercised		(1,241,091	)		25.98
Canceled		(27,250	)		28.41
Outstanding at December 31, 2012		11,805,688		$	31.44		3.97	$	208,848

Schedule of stock options exercisable under the plans

Exercisable at December 31,	Number of Option Shares		Weighted-Average Exercise Price
2012		7,892,688	$	30.55
2011		7,490,154		30.26
2010		6,586,882		29.85

Information about stock options outstanding, by exercise price range

	Exercise Price Range						Total
	$11.88 to $29.22		$29.34 to $35.15		$35.75 to $61.82		$11.88 to $61.82
Outstanding options
Number outstanding		4,779,919		4,116,268		2,909,501		11,805,688
Weighted-average remaining contractual life (years)		2.90		4.43		5.08		3.97
Weighted-average exercise price	$	25.29	$	32.68	$	39.78	$	31.44
Exercisable options
Number outstanding		3,535,544		3,033,643		1,323,501		7,892,688
Weighted-average exercise price	$	25.27	$	31.81	$	41.75	$	30.55

Information on restricted stock awards issued under the plans

	Number of Award Shares
Outstanding at December 31, 2009		552,690
Awarded		165,110
Released		(203,734	)
Canceled		(20,000	)
Outstanding at December 31, 2010		494,066
Awarded		97,005
Released		(234,772	)
Canceled		(1,010	)
Outstanding at December 31, 2011		355,289
Awarded		—
Released		(144,762	)
Canceled		—
Outstanding at December 31, 2012		210,527