ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (ROLLFORWARD TABLE) (DETAILS) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance, value	$ 361,895
Ending balance, value	375,272
Accumulated Other Comprehensive Income (Loss)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance, value	(126,964)	$ (101,365)
Other comprehensive income (loss) before reclassifications	18,702	19,305
Amounts reclassified from accumulated other comprehensive income (loss)	(4,253)	(3,755)
Net current period other comprehensive income (loss)	14,449	15,550
Ending balance, value	(112,515)	(85,815)
Foreign Currency Translation Adjustment
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance, value	(92,008)	(71,196)
Other comprehensive income (loss) before reclassifications	6,136	9,896
Net current period other comprehensive income (loss)	6,136	9,896
Ending balance, value	(85,872)	(61,300)
Derivative Valuation, Net of Tax
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance, value	(32,393)	(26,885)
Other comprehensive income (loss) before reclassifications	12,320	9,032
Amounts reclassified from accumulated other comprehensive income (loss)	(4,136)	(3,553)
Net current period other comprehensive income (loss)	8,184	5,479
Ending balance, value	(24,209)	(21,406)
Other, Net of Tax.
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance, value	(2,563)	(3,284)
Other comprehensive income (loss) before reclassifications	246	377
Amounts reclassified from accumulated other comprehensive income (loss)	(117)	(202)
Net current period other comprehensive income (loss)	129	175
Ending balance, value	$ (2,434)	$ (3,109)