v3.23.1
REVENUE RECOGNITION - Receivables and deferred revenue (Details) - USD ($)
$ in Millions
Mar. 31, 2023
Dec. 31, 2022
Current assets:    
Receivables related to contracts with customers $ 40.6 $ 92.3
Miscellaneous receivables 65.1 74.3
Receivables, net 105.7 166.6
Current liabilities:    
Deferred revenue related to contracts with customers 387.5 398.8
Miscellaneous deferred income 4.2 3.9
Deferred revenue and income $ 391.7 $ 402.7