IDENTIFIABLE INTANGIBLE ASSETS Components of Company's Identifiable Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items]
Cost	$ 88,299		$ 88,299
Accumulated Amortization	(52,577)		(48,667)
Net	$ 35,722		39,632
Completed technology
Finite-Lived Intangible Assets [Line Items]
Weighted Average Life (in years)	12 years	12 years
Cost	$ 31,169		31,169
Accumulated Amortization	(20,629)		(19,280)
Net	$ 10,540		11,889
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Weighted Average Life (in years)	12 years	12 years
Cost	$ 56,830		56,830
Accumulated Amortization	(31,648)		(29,087)
Net	25,182		27,743
Trademarks/brand names
Finite-Lived Intangible Assets [Line Items]
Cost	300		300
Accumulated Amortization	(300)		(300)
Net	$ 0		$ 0