GOODWILL AND INTANGIBLES (Details 2) - USD ($) $ in Millions	Jun. 30, 2020	Dec. 31, 2019	Jun. 30, 2019
Schedule Of Finite Lived And Indefinite Lived Intangible Assets By Major Class [Line Items]
Finite-Lived Intangible Assets, Gross	$ 767.2	$ 767.4	$ 768.5
Finite-Lived Intangible Assets, Accumulated Amortization	(350.3)	(319.3)	(287.9)
Finite-Lived Intangible Assets, Net	416.9	448.1	480.6
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	673.5	674.4
Finite-Lived Intangible Assets, Accumulated Amortization	(285.3)	(260.9)	(236.3)
Finite-Lived Intangible Assets, Net	388.0	412.6	438.1
Trade name
Schedule Of Finite Lived And Indefinite Lived Intangible Assets By Major Class [Line Items]
Finite-Lived Intangible Assets, Gross	7.0	7.0	7.0
Finite-Lived Intangible Assets, Accumulated Amortization	(6.7)	(6.0)	(5.3)
Finite-Lived Intangible Assets, Net	0.3	1.0	1.7
Acquired technology
Schedule Of Finite Lived And Indefinite Lived Intangible Assets By Major Class [Line Items]
Finite-Lived Intangible Assets, Gross	85.1	85.1	85.3
Finite-Lived Intangible Assets, Accumulated Amortization	(57.7)	(51.8)	(45.7)
Finite-Lived Intangible Assets, Net	27.4	33.3	39.6
Other
Schedule Of Finite Lived And Indefinite Lived Intangible Assets By Major Class [Line Items]
Finite-Lived Intangible Assets, Gross	1.8	1.8	1.8
Finite-Lived Intangible Assets, Accumulated Amortization	(0.6)	(0.6)	(0.6)
Finite-Lived Intangible Assets, Net	$ 1.2	$ 1.2	$ 1.2