FINANCE RECEIVABLES - Allowance for Credit Losses on Finance Receivables (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2016	Dec. 31, 2015
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	$ 7.3	$ 3.0	$ 2.3
Provision for credit losses	0.0	4.3	0.7
Charge offs	(1.0)	0.0	0.0
Recoveries	0.0	0.0	0.0
Ending balance	6.3	7.3	3.0
Allowance for credit losses, Individually evaluated for impairment				$ 1.6	$ 2.4
Allowance for credit losses, Collectively evaluated for impairment				4.7	4.9
Total allowance for credit losses	7.3	3.0	2.3	6.3	7.3
Finance receivable, Individually evaluated for impairment				1.6	3.7
Finance receivable, Collectively evaluated for impairment				241.2	349.6
Total finance receivables				242.8	353.3
Commercial Portfolio Segment
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	6.5	1.9	1.9
Provision for credit losses	0.2	4.6	0.0
Charge offs	(0.8)	0.0	0.0
Recoveries	0.0	0.0	0.0
Ending balance	5.9	6.5	1.9
Allowance for credit losses, Individually evaluated for impairment				1.6	1.9
Allowance for credit losses, Collectively evaluated for impairment				4.3	4.6
Total allowance for credit losses	6.5	1.9	1.9	5.9	6.5
Finance receivable, Individually evaluated for impairment				1.6	1.9
Finance receivable, Collectively evaluated for impairment				224.8	329.5
Total finance receivables				226.4	331.4
Sales-type Leases Portfolio Segment
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Beginning balance	0.8	1.1	0.4
Provision for credit losses	(0.2)	(0.3)	0.7
Charge offs	(0.2)	0.0	0.0
Recoveries	0.0	0.0	0.0
Ending balance	0.4	0.8	1.1
Allowance for credit losses, Individually evaluated for impairment				0.0	0.5
Allowance for credit losses, Collectively evaluated for impairment				0.4	0.3
Total allowance for credit losses	$ 0.8	$ 1.1	$ 0.4	0.4	0.8
Finance receivable, Individually evaluated for impairment				0.0	1.8
Finance receivable, Collectively evaluated for impairment				16.4	20.1
Total finance receivables				$ 16.4	$ 21.9

A valuation allowance for financing receivables that are expected to be uncollectible.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

+ References

+ Details

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- Definition

Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

+ References

+ Details

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- Definition

Amount of recovery of financing receivables doubtful of collection that were previously charged off.

+ References

+ Details

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

+ Details

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- Definition

Amount of direct write-downs of financing receivables charged against the allowance.

+ References

+ Details

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- Definition

The balance of financing receivables that were collectively evaluated for impairment.

+ References

+ Details

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- Definition

The balance of financing receivables that were individually evaluated for impairment.

+ References

+ Details

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- Definition

Amount representing an agreement for an unconditional promise by the maker to pay the entity (holder) a definite sum of money at a future date. Such amount may include accrued interest receivable in accordance with the terms of the note. The note also may contain provisions and related items including a discount or premium, payable on demand, secured, or unsecured, interest bearing or noninterest bearing, among a myriad of other features and characteristics. Excludes amounts related to receivables held-for-sale.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.10(3))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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- Definition

Amount of expense related loan transactions, lease transactions, credit loss from transactions other than loan and lease transactions, and other loss based on assessment of uncollectability from the counterparty to reduce the account to their net realizable value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953423-111524

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 225
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04.11)
-URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585

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