FINANCE RECEIVABLES - Allowance for Credit Losses on Finance Receivables (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2017	Dec. 31, 2016
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	$ 6.3	$ 7.3
Provision for credit losses	(0.3)	0.2
Charge offs	0.0	0.0
Recoveries	0.0	0.0
Ending balance	6.0	7.5
Allowance for credit losses, Individually evaluated for impairment			$ 1.5	$ 1.6
Allowance for credit losses, Collectively evaluated for impairment			4.5	4.7
Total allowance for credit losses	6.3	7.3	6.0	6.3
Finance receivable, Individually evaluated for impairment			2.4	1.6
Finance receivable, Collectively evaluated for impairment			238.0	241.2
Total finance receivables			240.4	242.8
Commercial Portfolio Segment
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	5.9	6.5
Provision for credit losses	(0.3)	(0.1)
Charge offs	0.0	0.0
Recoveries	0.0	0.0
Ending balance	5.6	6.4
Allowance for credit losses, Individually evaluated for impairment			1.5	1.6
Allowance for credit losses, Collectively evaluated for impairment			4.1	4.3
Total allowance for credit losses	5.9	6.5	5.6	5.9
Finance receivable, Individually evaluated for impairment			2.4	1.6
Finance receivable, Collectively evaluated for impairment			221.4	224.8
Total finance receivables			223.8	226.4
Sales-type Leases Portfolio Segment
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	0.4	0.8
Provision for credit losses	0.0	0.3
Charge offs	0.0	0.0
Recoveries	0.0	0.0
Ending balance	0.4	1.1
Allowance for credit losses, Individually evaluated for impairment			0.0	0.0
Allowance for credit losses, Collectively evaluated for impairment			0.4	0.4
Total allowance for credit losses	$ 0.4	$ 0.8	0.4	0.4
Finance receivable, Individually evaluated for impairment			0.0	0.0
Finance receivable, Collectively evaluated for impairment			16.6	16.4
Total finance receivables			$ 16.6	$ 16.4