GOODWILL AND INTANGIBLES (Details 2) - USD ($) $ in Millions	Sep. 30, 2018	Dec. 31, 2017	Sep. 30, 2017
Schedule Of Finite Lived And Indefinite Lived Intangible Assets By Major Class [Line Items]
Finite-Lived Intangible Assets, Gross	$ 771.1	$ 775.0	$ 773.2
Finite-Lived Intangible Assets, Accumulated Amortization	(242.8)	(196.5)	(180.3)
Finite-Lived Intangible Assets, Net	528.3	578.5	592.9
Customers, customer contracts and relationships
Schedule Of Finite Lived And Indefinite Lived Intangible Assets By Major Class [Line Items]
Finite-Lived Intangible Assets, Gross	676.2	679.5	678.0
Finite-Lived Intangible Assets, Accumulated Amortization	(199.9)	(163.6)	(150.9)
Finite-Lived Intangible Assets, Net	476.3	515.9	527.1
Trade name
Schedule Of Finite Lived And Indefinite Lived Intangible Assets By Major Class [Line Items]
Finite-Lived Intangible Assets, Gross	7.0	7.1	7.1
Finite-Lived Intangible Assets, Accumulated Amortization	(4.3)	(3.2)	(2.9)
Finite-Lived Intangible Assets, Net	2.7	3.9	4.2
Acquired technology
Schedule Of Finite Lived And Indefinite Lived Intangible Assets By Major Class [Line Items]
Finite-Lived Intangible Assets, Gross	85.6	86.1	85.8
Finite-Lived Intangible Assets, Accumulated Amortization	(36.6)	(27.7)	(24.5)
Finite-Lived Intangible Assets, Net	49.0	58.4	61.3
Other
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)	(2.0)
Finite-Lived Intangible Assets, Net	$ 0.3	$ 0.3	$ 0.3