v3.25.1
REVENUE RECOGNITION - Receivables and deferred revenue (Details) - USD ($)
$ in Millions
Mar. 31, 2025
Dec. 31, 2024
Current assets    
Receivables related to contracts with customers $ 33.5 $ 86.0
Miscellaneous receivables 59.1 82.1
Receivables, net 92.6 168.1
Current liabilities    
Deferred revenue related to contracts with customers 405.5 425.6
Miscellaneous deferred income 6.5 6.8
Deferred revenues and income $ 412.0 $ 432.4