FINANCE RECEIVABLES - Allowance for Credit Losses on Finance Receivables (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	$ 6.6	$ 6.3	$ 7.3
Provision for credit losses	0.1	0.7	0.0
Charge offs	(1.1)	(0.4)	(1.0)
Recoveries	(0.1)	0.0	0.0
Ending balance	5.5	6.6	6.3
Commercial Loans
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	5.7	5.9	6.5
Provision for credit losses	(0.5)	0.2	0.2
Charge offs	(1.1)	(0.4)	(0.8)
Recoveries	(0.1)	0.0	0.0
Ending balance	4.0	5.7	5.9
Sales-Type Leases
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	0.9	0.4	0.8
Provision for credit losses	0.6	0.5	(0.2)
Charge offs	0.0	0.0	(0.2)
Recoveries	0.0	0.0	0.0
Ending balance	$ 1.5	$ 0.9	$ 0.4