OTHER INTANGIBLE ASSETS, NET (Detail) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Finite Lived Intangible Assets [Line Items]
Gross	$ 809,449	$ 781,384
Accumulated Amortization	(375,932)	(351,817)
Net	433,517	429,567
Technology [Member]
Finite Lived Intangible Assets [Line Items]
Gross	245,480	238,212
Accumulated Amortization	(133,102)	(123,156)
Net	112,378	115,056
Customer Relationships [Member]
Finite Lived Intangible Assets [Line Items]
Gross	378,846	358,832
Accumulated Amortization	(204,767)	(193,455)
Net	174,079	165,377
Contract and Program Intangible Assets [Member]
Finite Lived Intangible Assets [Line Items]
Gross	144,000	144,000
Accumulated Amortization	(9,000)	(5,400)
Net	135,000	138,600
Other Intangible Assets [Member]
Finite Lived Intangible Assets [Line Items]
Gross	41,123	40,340
Accumulated Amortization	(29,063)	(29,806)
Net	$ 12,060	$ 10,534