STOCK-BASED COMPENSATION (Tables)

12 Months Ended

Dec. 31, 2016

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

Schedule of Changes in Outstanding Stock Options

Stock options outstanding at December 31, 2016 and changes during the year ended December 31, 2016 are as follows:

	December 31, 2016
	Shares		Weighted Average Exercise Price		Weighted Average Remaining Contractual Term	Aggregate Intrinsic Value
	(Shares and intrinsic value in thousands)
Options outstanding at January 1, 2016	7,283		$	52.13
Granted	1,722		46.25
Exercised	(740	)	34.90
Forfeited	(142	)	53.30
Expired	(65	)	55.31
Options outstanding at December 31, 2016	8,058		$	52.41	6.7	$	120,681
Options exercisable	4,170		$	44.91	4.9	$	87,865

Schedule of Information for Stock Options Outstanding and Exercisable

The following table summarizes the information about stock options outstanding and exercisable at December 31, 2016:

	Options Outstanding				Options Exercisable
Range of Exercise Prices	Outstanding at December 31, 2016	Weighted- Average Remaining Contractual Life in Years	Weighted- Average Exercise Price		Exercisable at December 31, 2016	Weighted- Average Remaining Contractual Life in Years	Weighted- Average Exercise Price
	(Shares in thousands)
$10.01 to $20.00	404	2.6	$	18.02	404	2.6	$	18.02
$20.01 to $30.00	238	2.3	20.97		238	2.3	20.97
$30.01 to $40.00	913	4.1	31.61		913	4.1	31.61
$40.01 to $50.00	2,727	7.1	44.31		1,389	5.1	46.35
$50.01 to $60.00	464	5.7	58.30		333	4.3	58.80
$60.01 to $70.00	1,850	8.0	64.70		540	7.2	64.72
$70.01 to $80.00	962	8.2	74.23		228	7.8	73.20
$80.01 to $90.00	500	8.3	84.31		125	8.3	84.31
	8,058	6.7	$	52.41	4,170	4.9	$	44.91

Schedule of Weighted Average Assumptions

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

	Years Ended December 31,
	2016		2015		2014
Expected volatility	29	%	28	%	31	%
Risk-free interest rate	1.2	%	1.6	%	1.5	%
Expected term	4.8 years		5.3 years		4.8 years
Dividend yield	—	%	2.0	%	1.5	%

Schedule of Outstanding Unvested RSUs and PSUs

Unvested RSUs and PSUs outstanding at December 31, 2016 and changes during the year ended December 31, 2016 are as follows:

	RSUs				PSUs
	Number of shares		Weighted Average Grant Date Fair Value		Number of shares		Weighted Average Grant Date Fair Value
	(Shares in thousands)
Unvested at January 1, 2016	650		$	57.76	2		$	71.39
Granted	148		46.92		—		—
Vested	(268	)	52.41		(2	)	71.39
Forfeited	(4	)	61.68		—		—
Unvested at December 31, 2016	526		$	57.41	—		$	—