Finance Assets (Aging of Receivables) (Details) - USD ($) $ in Thousands	1 Months Ended
Oct. 31, 2017	Sep. 30, 2017	Dec. 31, 2016
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total		$ 1,681,487	$ 1,768,178
1 - 90 days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables		1,615,865	1,693,706
Contract value		1,615,865	1,693,706
Greater than 90 days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables		65,622	74,472
Still accruing interest		8,507	9,803
Not accruing interest		57,115	64,669
Contract value		65,622	74,472
Sales-type lease receivables \| North America
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total		1,023,206	1,088,053
Sales-type lease receivables \| North America \| Subsequent Event
Financing Receivable, Recorded Investment, Past Due [Line Items]
Payment contract value	$ 23,000
Sales-type lease receivables \| North America \| 1 - 90 days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables		970,891	1,025,313
Contract value		970,891	1,025,313
Sales-type lease receivables \| North America \| Greater than 90 days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables		52,315	62,740
Still accruing interest		6,726	8,831
Not accruing interest		45,589	53,909
Contract value		52,315	62,740
Sales-type lease receivables \| International
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total		284,099	273,262
Sales-type lease receivables \| International \| 1 - 90 days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables		279,517	269,247
Contract value		279,517	269,247
Sales-type lease receivables \| International \| Greater than 90 days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables		4,582	4,015
Still accruing interest		1,781	972
Not accruing interest		2,801	3,043
Contract value		4,582	4,015
Loan receivables \| North America
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total		339,726	374,147
Loan receivables \| North America \| 1 - 90 days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables		331,233	366,726
Contract value		331,233	366,726
Loan receivables \| North America \| Greater than 90 days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables		8,493	7,421
Still accruing interest		0	0
Not accruing interest		8,493	7,421
Contract value		8,493	7,421
Loan receivables \| International
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total		34,456	32,716
Loan receivables \| International \| 1 - 90 days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables		34,224	32,420
Contract value		34,224	32,420
Loan receivables \| International \| Greater than 90 days
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables		232	296
Still accruing interest		0	0
Not accruing interest		232	296
Contract value		$ 232	$ 296

Recorded investment in financing receivables that are 90 days or more past due and still accruing.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 7
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5111-111524

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- Definition

Recorded investment in financing receivables that are on nonaccrual status as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 7
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5111-111524

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- Definition

Recorded Investment in financing receivables that are past due at the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 7A
-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953401-111524

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+ References

No definition available.

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Net amount of the investment in a contractual right to receive money on demand or on fixed or determinable dates that is recognized as an asset in the creditor's statement of financial position. Examples include, but are not limited to, credit card receivables, notes receivable and receivables relating to lessor's rights to payments from leases other than operating leases that have been recorded as assets. Excludes trade accounts receivable with contractual maturity of one year or less and arose from the sale of goods or services.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.3)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

The cash inflow associated with the collection of receivables arising from the financing of goods and services.

+ References

No definition available.

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