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REVENUE Deferred Revenue (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Dec. 31, 2023
Revenue from Contract with Customer [Abstract]          
Deferred Revenue $ 135.0   $ 135.0   $ 111.9
Contract with Customer, Asset, before Allowance for Credit Loss 40.7   40.7   35.4
Deferred Revenue, Revenue Recognized 3.2 $ 22.1 60.3 $ 64.1  
Contract with Customer, Refund Liability $ 41.0   $ 41.0   $ 41.3