GOODWILL AND INTANGIBLE ASSETS (Details 2) - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2021
Schedule Of Finite Lived And Indefinite Lived Intangible Assets By Major Class [Line Items]
Finite-Lived Intangible Assets, Gross	$ 767.3	$ 770.1	$ 773.3
Finite-Lived Intangible Assets, Accumulated Amortization	(452.8)	(438.4)	(392.3)
Finite-Lived Intangible Assets, Net	314.5	331.7	381.0
Customers, customer contracts and relationships
Schedule Of Finite Lived And Indefinite Lived Intangible Assets By Major Class [Line Items]
Finite-Lived Intangible Assets, Gross	672.0	674.4	677.2
Finite-Lived Intangible Assets, Accumulated Amortization	(371.4)	(359.8)	(323.5)
Finite-Lived Intangible Assets, Net	300.6	314.6	353.7
Acquired technology
Schedule Of Finite Lived And Indefinite Lived Intangible Assets By Major Class [Line Items]
Finite-Lived Intangible Assets, Gross	93.5	93.9	94.3
Finite-Lived Intangible Assets, Accumulated Amortization	(80.7)	(77.9)	(68.2)
Finite-Lived Intangible Assets, Net	12.8	16.0	26.1
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	(0.7)	(0.7)	(0.6)
Finite-Lived Intangible Assets, Net	$ 1.1	$ 1.1	$ 1.2