GOODWILL AND INTANGIBLES (Details 2) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018	Mar. 31, 2018
Schedule Of Finite Lived And Indefinite Lived Intangible Assets By Major Class [Line Items]
Finite-Lived Intangible Assets, Gross	$ 766.1	$ 768.3	$ 777.9
Finite-Lived Intangible Assets, Accumulated Amortization	(271.9)	(256.7)	(212.8)
Finite-Lived Intangible Assets, Net	494.2	511.6	565.1
Customers, customer contracts and relationships
Schedule Of Finite Lived And Indefinite Lived Intangible Assets By Major Class [Line Items]
Finite-Lived Intangible Assets, Gross	673.3	675.2	682.0
Finite-Lived Intangible Assets, Accumulated Amortization	(223.9)	(211.9)	(176.3)
Finite-Lived Intangible Assets, Net	449.4	463.3	505.7
Trade name
Schedule Of Finite Lived And Indefinite Lived Intangible Assets By Major Class [Line Items]
Finite-Lived Intangible Assets, Gross	7.0	7.0	7.1
Finite-Lived Intangible Assets, Accumulated Amortization	(4.9)	(4.6)	(3.6)
Finite-Lived Intangible Assets, Net	2.1	2.4	3.5
Acquired technology
Schedule Of Finite Lived And Indefinite Lived Intangible Assets By Major Class [Line Items]
Finite-Lived Intangible Assets, Gross	85.1	85.4	86.5
Finite-Lived Intangible Assets, Accumulated Amortization	(42.5)	(39.6)	(30.9)
Finite-Lived Intangible Assets, Net	42.6	45.8	55.6
Other
Schedule Of Finite Lived And Indefinite Lived Intangible Assets By Major Class [Line Items]
Finite-Lived Intangible Assets, Gross	0.7	0.7	2.3
Finite-Lived Intangible Assets, Accumulated Amortization	(0.6)	(0.6)	(2.0)
Finite-Lived Intangible Assets, Net	$ 0.1	$ 0.1	$ 0.3