v3.10.0.1
REVENUE RECOGNITION - Receivables and deferred revenue (Details) - USD ($)
$ in Millions
Sep. 30, 2018
Jan. 01, 2018
Dec. 31, 2017
Current assets      
Receivables related to contracts with customers $ 74.3   $ 204.3
Miscellaneous receivables 80.9   67.2
Receivables, net 155.2   271.5
Current liabilities      
Deferred revenue related to contracts with customers 288.6   376.1
Miscellaneous deferred income 4.6   24.9
Deferred revenues and income $ 293.2 $ 391.0 $ 401.0