FINANCE RECEIVABLES - Past Due Finance Receivables (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	$ 114.8	$ 155.3
Total past due	15.0	10.9
Total finance receivables	129.8	166.2
31-60 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	2.5	2.4
61-90 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	2.4	0.4
Greater than 90 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	10.1	8.1
Commercial Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	104.5	135.1
Total past due	13.7	10.6
Total finance receivables	118.2	145.7
Commercial Loans | 31-60 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	1.3	2.4
Commercial Loans | 61-90 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	2.4	0.1
Commercial Loans | Greater than 90 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	10.0	8.1
Sales-Type Leases
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	10.3	20.2
Total past due	1.3	0.3
Total finance receivables	11.6	20.5
Sales-Type Leases | 31-60 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	1.2	0.0
Sales-Type Leases | 61-90 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	0.0	0.3
Sales-Type Leases | Greater than 90 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total past due	$ 0.1	$ 0.0