STOCKHOLDERS' EQUITY STOCKHOLDERS' EQUITY (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2014
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Accumulated other comprehensive loss	$ (364,097)		$ (347,162)	$ (198,910)	$ (180,122)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax	(14,797)	$ 10,933
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax	(553)	1,012
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	(15,350)	17,611
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Net of Tax	0	0
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax	(13)	7
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	(1,585)	1,177
Other Comprehensive Income (Loss), Net of Tax	16,935	(18,788)
Accumulated Translation Adjustment [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Accumulated Other Comprehensive Income (Loss), before Tax	(73,613)		(58,816)	(46,751)	(35,818)
Other Comprehensive Income (Loss), Net of Tax	14,797	(10,933)
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Accumulated other comprehensive loss	(3,486)		(2,920)	(2,757)	(1,738)
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax	(553)	1,012
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax	(13)	7
Other Comprehensive Income (Loss), Net of Tax	566	(1,019)
Accumulated Defined Benefit Plans Adjustment [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Accumulated other comprehensive loss	(286,998)		$ (285,426)	$ (149,402)	$ (142,566)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	0	5,666
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	1,572	1,170
Other Comprehensive Income (Loss), Net of Tax	$ (1,572)	$ (6,836)