FINANCE RECEIVABLES - Past Due Finance Receivables (Details) - USD ($) $ in Millions	Jun. 30, 2016	Dec. 31, 2015
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	$ 331.1	$ 349.8
Total past due	2.4	3.5
Total finance receivables	333.5	353.3
Financing Receivables, 30 to 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	1.7	1.3
Financing Receivables, 60 to 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	0.0	0.0
Financing Receivables, Equal to Greater than 90 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	0.7	2.2
Commercial Portfolio Segment
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	312.9	329.6
Total past due	1.7	1.8
Total finance receivables	314.6	331.4
Non-accrual status	3.1	4.8
Commercial Portfolio Segment | Financing Receivables, 30 to 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	1.6	0.8
Commercial Portfolio Segment | Financing Receivables, 60 to 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	0.0	0.0
Commercial Portfolio Segment | Financing Receivables, Equal to Greater than 90 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	0.1	1.0
Sales-type Leases Portfolio Segment
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	18.2	20.2
Total past due	0.7	1.7
Total finance receivables	18.9	21.9
Non-accrual status	0.7	1.3
Sales-type Leases Portfolio Segment | Financing Receivables, 30 to 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	0.1	0.5
Sales-type Leases Portfolio Segment | Financing Receivables, 60 to 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	0.0	0.0
Sales-type Leases Portfolio Segment | Financing Receivables, Equal to Greater than 90 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	$ 0.6	$ 1.2