OTHER INTANGIBLE ASSETS, NET (Detail) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Finite Lived Intangible Assets [Line Items]
Gross	$ 650,190	$ 651,310
Accumulated Amortization	(327,334)	(321,642)
Net	322,856	329,668
Developed Technology Rights [Member]
Finite Lived Intangible Assets [Line Items]
Gross	244,292	243,440
Accumulated Amortization	(116,671)	(114,036)
Net	127,621	129,404
Customer Relationships [Member]
Finite Lived Intangible Assets [Line Items]
Gross	365,149	367,230
Accumulated Amortization	(182,629)	(180,580)
Net	182,520	186,650
Other Intangible Assets [Member]
Finite Lived Intangible Assets [Line Items]
Gross	40,749	40,640
Accumulated Amortization	(28,034)	(27,026)
Net	$ 12,715	$ 13,614