GOODWILL AND INTANGIBLES (Details 2) - USD ($) $ in Millions	Mar. 31, 2018	Dec. 31, 2017	Mar. 31, 2017
Schedule Of Finite Lived And Indefinite Lived Intangible Assets By Major Class [Line Items]
Finite-Lived Intangible Assets, Gross	$ 777.9	$ 775.0	$ 762.8
Finite-Lived Intangible Assets, Accumulated Amortization	(212.8)	(196.5)	(147.4)
Finite-Lived Intangible Assets, Net	565.1	578.5	615.4
Customers, customer contracts and relationships
Schedule Of Finite Lived And Indefinite Lived Intangible Assets By Major Class [Line Items]
Finite-Lived Intangible Assets, Gross	682.0	679.5	669.2
Finite-Lived Intangible Assets, Accumulated Amortization	(176.3)	(163.6)	(125.3)
Finite-Lived Intangible Assets, Net	505.7	515.9	543.9
Trade Names
Schedule Of Finite Lived And Indefinite Lived Intangible Assets By Major Class [Line Items]
Finite-Lived Intangible Assets, Gross	7.1	7.1	6.9
Finite-Lived Intangible Assets, Accumulated Amortization	(3.6)	(3.2)	(2.1)
Finite-Lived Intangible Assets, Net	3.5	3.9	4.8
Acquired Technology
Schedule Of Finite Lived And Indefinite Lived Intangible Assets By Major Class [Line Items]
Finite-Lived Intangible Assets, Gross	86.5	86.1	84.4
Finite-Lived Intangible Assets, Accumulated Amortization	(30.9)	(27.7)	(18.1)
Finite-Lived Intangible Assets, Net	55.6	58.4	66.3
Other Intangible Assets
Schedule Of Finite Lived And Indefinite Lived Intangible Assets By Major Class [Line Items]
Finite-Lived Intangible Assets, Gross	2.3	2.3	2.3
Finite-Lived Intangible Assets, Accumulated Amortization	(2.0)	(2.0)	(1.9)
Finite-Lived Intangible Assets, Net	$ 0.3	$ 0.3	$ 0.4