FINANCE RECEIVABLES - Allowance for Credit Losses on Finance Receivables (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Dec. 31, 2016
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance, beginning of period	$ 6.3	$ 7.4	$ 6.3	$ 7.3
Provision for credit losses	1.0	0.1	1.1	0.2
Charge offs	(0.2)	0.0	(0.3)	0.0
Recoveries	0.0	0.0	0.0	0.0
Balance, end of period	7.1	7.5	7.1	7.5
Allowance for credit losses, ending balance:
Individually evaluated for impairment					$ 2.4	$ 1.6
Collectively evaluated for impairment					4.7	4.7
Total allowance for credit losses	6.3	7.4	6.3	7.3	7.1	6.3
Finance receivables, ending balance:
Individually evaluated for impairment					6.1	1.6
Collectively evaluated for impairment					240.6	241.2
Total finance receivables					246.7	242.8
Commercial Loans
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance, beginning of period	5.9	6.9	5.9	6.5
Provision for credit losses	0.9	(0.5)	1.0	(0.1)
Charge offs	(0.2)	0.0	(0.3)	0.0
Recoveries	0.0	0.0	0.0	0.0
Balance, end of period	6.6	6.4	6.6	6.4
Allowance for credit losses, ending balance:
Individually evaluated for impairment					2.4	1.6
Collectively evaluated for impairment					4.2	4.3
Total allowance for credit losses	5.9	6.9	5.9	6.5	6.6	5.9
Finance receivables, ending balance:
Individually evaluated for impairment					6.1	1.6
Collectively evaluated for impairment					223.9	224.8
Total finance receivables					230.0	226.4
Sales-Type Leases
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance, beginning of period	0.4	0.5	0.4	0.8
Provision for credit losses	0.1	0.6	0.1	0.3
Charge offs	0.0	0.0	0.0	0.0
Recoveries	0.0	0.0	0.0	0.0
Balance, end of period	0.5	1.1	0.5	1.1
Allowance for credit losses, ending balance:
Individually evaluated for impairment					0.0	0.0
Collectively evaluated for impairment					0.5	0.4
Total allowance for credit losses	$ 0.4	$ 0.5	$ 0.4	$ 0.8	0.5	0.4
Finance receivables, ending balance:
Individually evaluated for impairment					0.0	0.0
Collectively evaluated for impairment					16.7	16.4
Total finance receivables					$ 16.7	$ 16.4