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REVENUE - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Dec. 31, 2021
Revenue from Contract with Customer [Abstract]          
Contract asset $ 11.7   $ 11.7   $ 9.1
Contract liability 0.9   0.9   $ 0.8
Revenue recognized from prior period 0.1 $ 0.1 $ 0.8 $ 0.7  
Estimated variable consideration, increase in revenue $ 0.0 $ 0.1