GOODWILL AND INTANGIBLES (Details 2) - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019	Mar. 31, 2019
Schedule Of Finite Lived And Indefinite Lived Intangible Assets By Major Class [Line Items]
Finite-Lived Intangible Assets, Gross	$ 765.3	$ 767.4	$ 766.1
Finite-Lived Intangible Assets, Accumulated Amortization	(333.9)	(319.3)	(271.9)
Finite-Lived Intangible Assets, Net	431.4	448.1	494.2
Customers, customer contracts and relationships
Schedule Of Finite Lived And Indefinite Lived Intangible Assets By Major Class [Line Items]
Finite-Lived Intangible Assets, Gross	671.7	673.5	673.3
Finite-Lived Intangible Assets, Accumulated Amortization	(272.5)	(260.9)	(223.9)
Finite-Lived Intangible Assets, Net	399.2	412.6	449.4
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	(6.3)	(6.0)	(4.9)
Finite-Lived Intangible Assets, Net	0.7	1.0	2.1
Acquired technology
Schedule Of Finite Lived And Indefinite Lived Intangible Assets By Major Class [Line Items]
Finite-Lived Intangible Assets, Gross	84.8	85.1	85.1
Finite-Lived Intangible Assets, Accumulated Amortization	(54.5)	(51.8)	(42.5)
Finite-Lived Intangible Assets, Net	30.3	33.3	42.6
Other
Schedule Of Finite Lived And Indefinite Lived Intangible Assets By Major Class [Line Items]
Finite-Lived Intangible Assets, Gross	1.8	1.8	0.7
Finite-Lived Intangible Assets, Accumulated Amortization	(0.6)	(0.6)	(0.6)
Finite-Lived Intangible Assets, Net	$ 1.2	$ 1.2	$ 0.1