OTHER INTANGIBLE ASSETS, NET (Narrative) (Detail) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Finite Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets Acquired	$ 146.1
Amortization expense	32.5	$ 28.8
Future amortization expense in remainder of fiscal year	43.7
Future amortization expense in year two	43.7
Future amortization expense in year three	41.8
Future amortization expense in year four	40.0
Future amortization expense in year five	37.5
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
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
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