v3.19.3.a.u2
REVENUE RECOGNITION - Receivables and deferred revenue (Details) - USD ($)
$ in Millions
Dec. 31, 2019
Dec. 31, 2018
Jan. 01, 2018
Current assets      
Receivables related to contracts with customers $ 160.3 $ 183.2  
Miscellaneous receivables 93.9 76.3  
Receivables, net 254.2 259.5  
Current liabilities      
Deferred revenue related to contracts with customers 447.1 412.8  
Miscellaneous deferred income 2.1 2.0  
Deferred revenues and income $ 449.2 $ 414.8 $ 391.0