STOCK-BASED COMPENSATION (Tables)

12 Months Ended

Dec. 31, 2012

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of changes in outstanding stock options

A summary of changes in outstanding stock options is as follows:

	December 31, 2012
	Shares		Weighted Average Exercise Price		Weighted Average Remaining Contractual Term	Aggregate Intrinsic Value
	(Shares and intrinsic value in thousands)
Outstanding at January 1, 2012	10,525		$	24.88
Granted	3,639		47.42
Exercised	(2,974	)	19.57
Forfeited	(643	)	33.69
Expired	(87	)	25.83
Outstanding at December 31, 2012	10,460		$	33.68	7.2	$	146,556
Options exercisable	4,518		$	25.33	5.2	$	99,010

Schedule of information about stock options outstanding and exercisable

The following table summarizes the information about stock options outstanding and exercisable at December 31, 2012:

	Options Outstanding				Options Exercisable
Range of Exercise Prices	Outstanding at December 31, 2012	Weighted- Average Remaining Contractual Life in Years	Weighted- Average Exercise Price		Exercisable at December 31, 2012	Weighted- Average Remaining Contractual Life	Weighted- Average Exercise Price
	(Shares in thousands)
$0.01 to $10.00	10	0.8	$	4.63	10	0.8	$	4.63
$10.01 to $20.00	1,549	5.1	16.84		1,468	5.0	16.83
$20.01 to $30.00	2,099	5.8	22.29		1,551	5.3	22.40
$30.01 to $40.00	2,594	8.2	32.36		768	8.0	32.27
$40.01 to $50.00	3,878	8.0	45.38		721	2.6	41.81
$50.01 to $60.00	330	9.1	59.15		—	—	—
	10,460	7.2	$	33.68	4,518	5.2	$	25.33

Schedule of weighted average assumptions used in Black-Scholes option pricing model

The following are the weighted average assumptions used in the Black-Scholes option pricing model:

	Years Ended December 31,
	2012		2011		2010
Expected volatility	31	%	30	%	30	%
Risk-free interest rate	0.6	%	2.3	%	2.4	%
Expected term	4.4 years		6.1 years		5.6 years
Dividend yield	1.2		—		—

Schedule of outstanding nonvested RSUs and PSUs

Nonvested RSUs and PSUs outstanding at December 31, 2012 and changes during the year ended December 31, 2012 are as follows:

	RSUs				PSUs
	Number of shares		Weighted Average Grant Date Fair Value		Number of shares(a)		Weighted Average Grant Date Fair Value
	(Shares in thousands)
Nonvested at January 1, 2012	560		$	31.06	4,541		$	24.41
Granted	191		46.03		16		48.75
Vested	(381	)	27.08		(2,671	)	21.19
Forfeited	—		—		(616	)	28.44
Nonvested at December 31, 2012	370		$	39.94	1,270		$	29.39

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(a) Included in the table are PSUs which vest at the end of two or three years in varying amounts depending upon certain performance conditions. The PSU table above includes these awards at their maximum potential payout.