SHARE-BASED COMPENSATION - Total Options Outstanding, Range of Exercise Prices and Remaining Contractual Lives (Details) shares in Thousands	9 Months Ended
	Sep. 30, 2017 $ / shares shares
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
No. of Options (in shares) | shares	167
Weighted Average Exercise Price (in usd per share)	$ 31.12
Weighted Average Remaining Life	2 years 1 month 28 days
$20.18 to $30.28
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Prices, Lower limit (in usd per share)	$ 20.18
Range of Prices, Upper limit (in usd per share)	$ 30.28
No. of Options (in shares) | shares	14
Weighted Average Exercise Price (in usd per share)	$ 21.68
Weighted Average Remaining Life	3 years 6 months 9 days
$30.29 to $40.38
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Prices, Lower limit (in usd per share)	$ 30.29
Range of Prices, Upper limit (in usd per share)	$ 40.38
No. of Options (in shares) | shares	146
Weighted Average Exercise Price (in usd per share)	$ 31.06
Weighted Average Remaining Life	1 year 9 months 21 days
$40.39 to $50.47
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Prices, Lower limit (in usd per share)	$ 40.39
Range of Prices, Upper limit (in usd per share)	$ 50.47
No. of Options (in shares) | shares	7
Weighted Average Exercise Price (in usd per share)	$ 50.47
Weighted Average Remaining Life	6 years 7 months 14 days