GOODWILL AND INTANGIBLES (Details 2) - USD ($) $ in Millions	Jun. 30, 2019	Dec. 31, 2018	Jun. 30, 2018
Schedule Of Finite Lived And Indefinite Lived Intangible Assets By Major Class [Line Items]
Finite-Lived Intangible Assets, Gross	$ 768.5	$ 768.3	$ 771.6
Finite-Lived Intangible Assets, Accumulated Amortization	(287.9)	(256.7)	(227.3)
Finite-Lived Intangible Assets, Net	480.6	511.6	544.3
Customers, customer contracts and relationships
Schedule Of Finite Lived And Indefinite Lived Intangible Assets By Major Class [Line Items]
Finite-Lived Intangible Assets, Gross	674.4	675.2	676.5
Finite-Lived Intangible Assets, Accumulated Amortization	(236.3)	(211.9)	(187.8)
Finite-Lived Intangible Assets, Net	438.1	463.3	488.7
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	(5.3)	(4.6)	(3.9)
Finite-Lived Intangible Assets, Net	1.7	2.4	3.2
Acquired technology
Schedule Of Finite Lived And Indefinite Lived Intangible Assets By Major Class [Line Items]
Finite-Lived Intangible Assets, Gross	85.3	85.4	85.7
Finite-Lived Intangible Assets, Accumulated Amortization	(45.7)	(39.6)	(33.6)
Finite-Lived Intangible Assets, Net	39.6	45.8	52.1
Other
Schedule Of Finite Lived And Indefinite Lived Intangible Assets By Major Class [Line Items]
Finite-Lived Intangible Assets, Gross	1.8	0.7	2.3
Finite-Lived Intangible Assets, Accumulated Amortization	(0.6)	(0.6)	(2.0)
Finite-Lived Intangible Assets, Net	$ 1.2	$ 0.1	$ 0.3