v3.22.2
REVENUE RECOGNITION - Receivables and deferred revenue (Details) - USD ($)
$ in Millions
Jun. 30, 2022
Dec. 31, 2021
Current assets:    
Receivables related to contracts with customers $ 53.9 $ 85.4
Miscellaneous receivables 66.8 83.1
Receivables, net 120.7 168.5
Current liabilities:    
Deferred revenue related to contracts with customers 370.1 405.1
Miscellaneous deferred income 3.0 3.5
Deferred revenue and income $ 373.1 $ 408.6