XML 52 R41.htm IDEA: XBRL DOCUMENT v3.19.2
REVENUE AND CONTRACT ACQUISITION COSTS - Sales-type and Operating Lease Revenue (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Revenue from Contract with Customer [Abstract]        
Sales-type lease revenue $ 25.1 $ 11.5 $ 45.5 $ 21.0
Operating lease revenue $ 15.3 $ 13.3 $ 19.9 $ 25.3