EQUITY (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of shares repurchased from employees to satisfy tax obligations upon vesting's of restricted stock options

Year Ended December 31		Aggregate Cost		Average Repurchase Price

2010	1,331	$	43,923	$	33.00
2011	5,470		218,255		39.90
2012	9,175		344,166		37.51

Summary of stock option activity

Year Ended December 31, 2011

	Number of Options			Weighted Avg. Exercise Price		Weighted Average Remaining Contractual Term (Years)		Aggregate Intrinsic Value
Outstanding at January 1, 2011		625,750		$	32.17
Granted		146,500			33.29
Forfeited		—			—
Exercised		(51,602	)		22.77

Outstanding at December 31, 2011		720,648			33.07		6.79		5,617,669

Vested and expected to vest at December 31, 2011		674,469			32.74		6.66		5,248,211

Exercisable at December 31, 2011		409,149		$	29.44		5.41		4,259,541

Year Ended December 31, 2012

	Number of Options			Weighted Avg. Exercise Price		Weighted Average Remaining Contractual Term (Years)		Aggregate Intrinsic Value
Outstanding at January 1, 2012		720,648		$	33.07
Granted		64,000			37.36
Forfeited		(1,625	)		32.02
Exercised		(62,575	)		23.22

Outstanding at December 31, 2012		720,448			34.31		6.33		3,499,252

Vested and expected to vest at December 31, 2012		713,728			34.28		6.31		3,488,633

Exercisable at December 31, 2012		453,698			32.02		5.27		2,987,705

Summary of information relating to options granted and exercised

The following table summarizes information relating to options granted and exercised during 2010, 2011 and 2012 (in thousands, except fair value of options granted data):

	2010		2011		2012

Weighted-average of fair value of options granted	$	18.26	$	13.18	$	15.27
Aggregate intrinsic value of options exercised		2,141		822		938
Cash proceeds received upon exercise of options		1,653		1,175		1,452
Tax benefits realized upon exercise of options		594		—		362

Schedule of weighted-average assumptions using Black-Scholes option-pricing model for estimating fair value of each option granted

	Options Granted in

	2010	2011	2012
Risk-free interest rate	2.5%	2.1%	1.4%
Expected dividend yield	2.5%	2.7%	2.5%
Expected life	6.25 years	6.25 years	6.25 years
Expected volatility	50%	51%	53%

Summary of restricted stock activity



Unvested as of January 1, 2011	76,287		42.10
Granted	22,925		34.64
Forfeited	—		—
Vested and issued	(30,439	)	38.21

Unvested as of December 31, 2011	68,773		41.39



Unvested as of January 1, 2012	68,773		41.39
Granted	72,083		36.93
Forfeited	(1,499	)	38.60
Vested and issued	(35,504	)	37.58

Unvested as of December 31, 2012	103,853		39.63

- Definition

Tabular disclosure of an entity's treasury stock, including the average cost per share, carrying basis for each class of treasury stock, description of share repurchase program authorized by an entity's board of directors, the number of shares repurchased, the cost of the shares repurchased, the remaining maximum dollar value of shares available for repurchase under the program, the treatment of the purchase price in excess of the current market value, number of shares held for each class of treasury stock, and other information necessary to a fair presentation.

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