OTHER INTANGIBLE ASSETS, NET (Detail) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Finite-Lived Intangible Assets [Line Items]
Finite Lived Intangible Assets Gross	$ 781,384	$ 651,310
Finite Lived Intangible Assets Accumulated Amortization	(351,817)	(321,642)
Other intangible assets, net	429,567	329,668
Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Finite Lived Intangible Assets Gross	238,212	243,440
Finite Lived Intangible Assets Accumulated Amortization	(123,156)	(114,036)
Other intangible assets, net	115,056	129,404
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Finite Lived Intangible Assets Gross	358,832	367,230
Finite Lived Intangible Assets Accumulated Amortization	(193,455)	(180,580)
Other intangible assets, net	165,377	186,650
Contract and Program Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Finite Lived Intangible Assets Gross	144,000
Finite Lived Intangible Assets Accumulated Amortization	(5,400)
Other intangible assets, net	138,600
Other Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Finite Lived Intangible Assets Gross	40,340	40,640
Finite Lived Intangible Assets Accumulated Amortization	(29,806)	(27,026)
Other intangible assets, net	$ 10,534	$ 13,614