FINANCE RECEIVABLES - Allowance for Credit Losses on Finance Receivable (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance, beginning of period	$ 11.0	$ 5.5
Provision for credit losses	4.0	7.9
Charge offs	(0.2)	(0.8)
Balance, end of period	14.8	12.6
Commercial loans
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance, beginning of period	10.5	4.0
Provision for credit losses	4.0	8.2
Charge offs	(0.2)	(0.8)
Balance, end of period	14.3	11.4
Sales-type leases
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance, beginning of period	0.5	1.5
Provision for credit losses	0.0	(0.3)
Charge offs	0.0	0.0
Balance, end of period	$ 0.5	$ 1.2