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EQUITY (Tables)

12 Months Ended

Dec. 31, 2013

EQUITY

Schedule of shares repurchased from employees to satisfy tax obligations incurred in connection with the vesting of restricted stock awards and the exercise of stock options

Year Ended December 31		Shares Repurchased			Aggregate Cost (in thousands)			Average Repurchase Price
2011			5,470			218			39.90
2012			9,175			344			37.51
2013			163,222			8,103			49.64

Summary of stock option activity

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
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Outstanding at December 31, 2012			720,448			34.31			6.3			3,499,252
​	​	​	​	​	​	​	​	​	​	​	​	​	​
​	​	​	​	​	​	​	​	​	​	​	​	​	​
Vested and expected to vest at December 31, 2012			713,728			34.28			6.3			3,488,633
​	​	​	​	​	​	​	​	​	​	​	​	​	​
​	​	​	​	​	​	​	​	​	​	​	​	​	​
Exercisable at December 31, 2012			453,698			32.02			5.3			2,987,705
​	​	​	​	​	​	​	​	​	​	​	​	​	​
​	​	​	​	​	​	​	​	​	​	​	​	​	​

Year Ended December 31, 2013
		Number of Options			Weighted Avg. Exercise Price			Weighted Average Remaining Contractual Term (Years)			Aggregate Intrinsic Value
Outstanding at January 1, 2013			720,448		$	34.31
Exercised			(303,536	)		30.64
Forfeited—Vested			(11,625	)		46.01
Forfeited—Unvested			(4,000	)		45.22
​	​	​	​	​	​	​	​	​	​	​	​	​	​
Outstanding at December 31, 2013			401,287			36.63			6.0		$	8,000,149
​	​	​	​	​	​	​	​	​	​	​	​	​	​
​	​	​	​	​	​	​	​	​	​	​	​	​	​
Vested and expected to vest at December 31, 2013			398,036			35.86			6.0		$	7,934,478
​	​	​	​	​	​	​	​	​	​	​	​	​	​
​	​	​	​	​	​	​	​	​	​	​	​	​	​
Exercisable at December 31, 2013			241,662			35.86			5.2		$	5,004,299
​	​	​	​	​	​	​	​	​	​	​	​	​	​
​	​	​	​	​	​	​	​	​	​	​	​	​	​

Summary of information relating to options granted and exercised

The following table summarizes information relating to options granted and exercised during 2011, 2012 and 2013 (in thousands, except fair value of options granted data):

		2011			2012			2013
Weighted-average fair value of options granted		$	13.18		$	15.27			N/A
Aggregate intrinsic value of options exercised			822			938			6,111
Cash proceeds received upon exercise of options			1,175			1,452			2,669
Excess tax benefits from share-based compensation			—			362			(2,102	)

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

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

Summary of restricted stock activity

		Shares			Weighted Avg. Fair Value
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
​	​	​	​	​	​	​	​
​	​	​	​	​	​	​	​

		Shares			Weighted Avg. Fair Value
Unvested as of January 1, 2013			103,853			39.63
Granted			100,902			48.54
Forfeited			(250	)		46.85
Vested and issued			(49,986	)		43.96
​	​	​	​	​	​	​	​
Unvested as of December 31, 2013			154,519			44.04
​	​	​	​	​	​	​	​
​	​	​	​	​	​	​	​

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Tabular disclosure of information pertaining to option granted and exercised during the period under share-based compensation plan.

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Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year.

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Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year.

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Tabular disclosure of treasury stock, including, but not limited to, average cost per share, description of share repurchase program, shares repurchased, shares held for each class of treasury stock.

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