FINANCE RECEIVABLES - Allowance for Credit Losses on Finance Receivables (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2016	Dec. 31, 2015
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	$ 7.3	$ 3.0
Provision for credit losses	0.2	0.8
Charge offs	0.0	0.0
Recoveries	0.0	0.0
Ending balance	7.5	3.8
Allowance for credit losses, Individually evaluated for impairment			$ 1.8	$ 2.4
Allowance for credit losses, Collectively evaluated for impairment			5.7	4.9
Total allowance for credit losses	7.3	3.0	7.5	7.3
Finance receivable, Individually evaluated for impairment			3.4	3.7
Finance receivable, Collectively evaluated for impairment			355.1	349.6
Total finance receivables			358.5	353.3
Commercial Portfolio Segment
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	6.5	1.9
Provision for credit losses	(0.1)	0.7
Charge offs	0.0	0.0
Recoveries	0.0	0.0
Ending balance	6.4	2.6
Allowance for credit losses, Individually evaluated for impairment			1.3	1.9
Allowance for credit losses, Collectively evaluated for impairment			5.1	4.6
Total allowance for credit losses	6.5	1.9	6.4	6.5
Finance receivable, Individually evaluated for impairment			1.3	1.9
Finance receivable, Collectively evaluated for impairment			334.6	329.5
Total finance receivables			335.9	331.4
Sales-type Leases Portfolio Segment
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	0.8	1.1
Provision for credit losses	0.3	0.1
Charge offs	0.0	0.0
Recoveries	0.0	0.0
Ending balance	1.1	1.2
Allowance for credit losses, Individually evaluated for impairment			0.5	0.5
Allowance for credit losses, Collectively evaluated for impairment			0.6	0.3
Total allowance for credit losses	$ 0.8	$ 1.1	1.1	0.8
Finance receivable, Individually evaluated for impairment			2.1	1.8
Finance receivable, Collectively evaluated for impairment			20.5	20.1
Total finance receivables			$ 22.6	$ 21.9