OTHER INTANGIBLE ASSETS, NET OTHER INTANGIBLE ASSETS, NET (Narrative) (Detail) $ in Millions	12 Months Ended
	Dec. 31, 2018 USD ($)
Finite-Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets Acquired	$ 146.1
Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	1 year
Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	20 years
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets Acquired	$ 1.8
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	10 years 4 months 27 days
Contract and Program Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets Acquired	$ 144.0
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	20 years
Other Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets Acquired	$ 0.3
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	8 years