INCOME TAXES (Unrecognized Tax Benefits) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Balance at the beginning of the year	$ 14,332	$ 18,389
Increase related to current year tax provisions	1,975	1,021
Increase (decrease) related to prior years' tax positions	5,188	317
Decrease related to settlements with taxing authorities	(265)	(157)
Resolution of and other decreases in prior years' tax liabilities	(1,982)	(3,323)
Other	(749)	(1,915)
Balance at the end of the year	18,499	14,332
Interest and penalties expense (benefit)	597	(940)
Accrued interest and penalties	6,431	6,080
Total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate	9,813	$ 8,369
Reasonably possible further reduction in prior years' unrecognized tax benefits during the next twelve months	$ 2,058