Finance Assets (Details) (USD $)	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013
Loan receivables
Net investment in finance receivables	$ 1,923,562,000		$ 2,065,284,000
Allowance for Loan and Lease Losses [Roll Forward]
Balance Beginning	36,949,000	40,094,000
Amounts charged to expense	7,786,000	8,955,000
Accounts written off	(11,064,000)	(12,948,000)
Balance Closing	33,671,000	36,101,000
Financing Receivable, Recorded Investment, Aging [Abstract]
Less than 31 days	2,080,678,000		2,231,251,000
Greater than 30 days and less than 61 days	50,164,000		58,717,000
Greater than 60 days and less than 91 days	30,086,000		31,247,000
Greater than 90 days and Less than 121 days	13,229,000		12,512,000
Greater than 120 days	30,712,000		26,321,000
Total	2,204,869,000		2,360,048,000
Still accruing interest	11,118,000		10,392,000
Not accruing interest	32,823,000		28,441,000
Total	43,941,000		38,833,000
Revenue recognition resume period	60 days
Low
Financing Receivable, Recorded Investment, Aging [Abstract]
Approximate percentage of portfolio	30.00%
Medium
Financing Receivable, Recorded Investment, Aging [Abstract]
Approximate percentage of portfolio	40.00%
High
Financing Receivable, Recorded Investment, Aging [Abstract]
Approximate percentage of portfolio	30.00%
North America
Loan receivables
Net investment in finance receivables	1,511,453,000		1,650,848,000
International
Loan receivables
Net investment in finance receivables	412,109,000		414,436,000
Sales-type lease receivables
Sales-type lease receivables
Gross finance receivables	1,765,287,000		1,913,179,000
Unguaranteed residual values	131,707,000		142,892,000
Unearned income	(379,343,000)		(400,707,000)
Allowance for credit losses	(20,747,000)		(23,868,000)
Net investment in sales-type lease receivables	1,496,904,000		1,631,496,000
Financing Receivable, Recorded Investment, Aging [Abstract]
Sales-type Lease Receivables - Total	1,765,287,000		1,913,179,000
Revenue recognition discontinuation period	120 days
Sales-type lease receivables | North America
Sales-type lease receivables
Gross finance receivables	1,320,426,000		1,456,420,000
Unguaranteed residual values	110,195,000		121,339,000
Unearned income	(278,782,000)		(299,396,000)
Allowance for credit losses	(13,143,000)		(14,165,000)
Net investment in sales-type lease receivables	1,138,696,000		1,264,198,000
Allowance for Loan and Lease Losses [Roll Forward]
Balance Beginning	14,165,000	16,979,000
Amounts charged to expense	2,360,000	3,022,000
Accounts written off	(3,382,000)	(4,397,000)
Balance Closing	13,143,000	15,604,000
Financing Receivable, Recorded Investment, Aging [Abstract]
Less than 31 days	1,248,259,000		1,383,253,000
Greater than 30 days and less than 61 days	29,229,000		32,102,000
Greater than 60 days and less than 91 days	20,140,000		20,830,000
Greater than 90 days and Less than 121 days	6,540,000		6,413,000
Greater than 120 days	16,258,000		13,822,000
Sales-type Lease Receivables - Total	1,320,426,000		1,456,420,000
Still accruing interest	6,540,000		6,413,000
Not accruing interest	16,258,000		13,822,000
Total	22,798,000		20,235,000
Sales-type lease receivables | North America | Low
Sales-type lease receivables
Gross finance receivables	988,555,000		1,081,853,000
Financing Receivable, Recorded Investment, Aging [Abstract]
Sales-type Lease Receivables - Total	988,555,000		1,081,853,000
Sales-type lease receivables | North America | Medium
Sales-type lease receivables
Gross finance receivables	225,106,000		244,379,000
Financing Receivable, Recorded Investment, Aging [Abstract]
Sales-type Lease Receivables - Total	225,106,000		244,379,000
Sales-type lease receivables | North America | High
Sales-type lease receivables
Gross finance receivables	47,293,000		51,851,000
Financing Receivable, Recorded Investment, Aging [Abstract]
Sales-type Lease Receivables - Total	47,293,000		51,851,000
Sales-type lease receivables | North America | Not Scored
Sales-type lease receivables
Gross finance receivables	59,472,000		78,337,000
Financing Receivable, Recorded Investment, Aging [Abstract]
Sales-type Lease Receivables - Total	59,472,000		78,337,000
Sales-type lease receivables | International
Sales-type lease receivables
Gross finance receivables	444,861,000		456,759,000
Unguaranteed residual values	21,512,000		21,553,000
Unearned income	(100,561,000)		(101,311,000)
Allowance for credit losses	(7,604,000)		(9,703,000)
Net investment in sales-type lease receivables	358,208,000		367,298,000
Allowance for Loan and Lease Losses [Roll Forward]
Balance Beginning	9,703,000	8,662,000
Amounts charged to expense	(350,000)	784,000
Accounts written off	(1,749,000)	(2,268,000)
Balance Closing	7,604,000	7,178,000
Financing Receivable, Recorded Investment, Aging [Abstract]
Less than 31 days	412,514,000		425,923,000
Greater than 30 days and less than 61 days	9,627,000		11,760,000
Greater than 60 days and less than 91 days	6,542,000		5,724,000
Greater than 90 days and Less than 121 days	4,578,000		3,979,000
Greater than 120 days	11,600,000		9,373,000
Sales-type Lease Receivables - Total	444,861,000		456,759,000
Still accruing interest	4,578,000		3,979,000
Not accruing interest	11,600,000		9,373,000
Total	16,178,000		13,352,000
Loan receivables
Loan receivables
Loan receivables	439,582,000		446,869,000
Allowance for credit losses	(12,924,000)		(13,081,000)
Net investment in loan receivables	426,658,000		433,788,000
Financing Receivable, Recorded Investment, Aging [Abstract]
Loan Receivables - Total	439,582,000		446,869,000
Revenue recognition discontinuation period	90 days
Loan receivables | North America
Loan receivables
Loan receivables	383,532,000		397,815,000
Allowance for credit losses	(10,775,000)		(11,165,000)
Net investment in loan receivables	372,757,000		386,650,000
Allowance for Loan and Lease Losses [Roll Forward]
Balance Beginning	11,165,000	12,322,000
Amounts charged to expense	4,742,000	4,625,000
Accounts written off	(5,132,000)	(5,388,000)
Balance Closing	10,775,000	11,559,000
Financing Receivable, Recorded Investment, Aging [Abstract]
Less than 31 days	365,972,000		379,502,000
Greater than 30 days and less than 61 days	10,132,000		10,464,000
Greater than 60 days and less than 91 days	2,919,000		3,330,000
Greater than 90 days and Less than 121 days	1,887,000		1,809,000
Greater than 120 days	2,622,000		2,710,000
Loan Receivables - Total	383,532,000		397,815,000
Still accruing interest	0		0
Not accruing interest	4,509,000		4,519,000
Total	4,509,000		4,519,000
Loan receivables | North America | Low
Loan receivables
Loan receivables	263,924,000		279,607,000
Financing Receivable, Recorded Investment, Aging [Abstract]
Loan Receivables - Total	263,924,000		279,607,000
Loan receivables | North America | Medium
Loan receivables
Loan receivables	93,594,000		95,524,000
Financing Receivable, Recorded Investment, Aging [Abstract]
Loan Receivables - Total	93,594,000		95,524,000
Loan receivables | North America | High
Loan receivables
Loan receivables	10,968,000		11,511,000
Financing Receivable, Recorded Investment, Aging [Abstract]
Loan Receivables - Total	10,968,000		11,511,000
Loan receivables | North America | Not Scored
Loan receivables
Loan receivables	15,046,000		11,173,000
Financing Receivable, Recorded Investment, Aging [Abstract]
Loan Receivables - Total	15,046,000		11,173,000
Loan receivables | International
Loan receivables
Loan receivables	56,050,000		49,054,000
Allowance for credit losses	(2,149,000)		(1,916,000)
Net investment in loan receivables	53,901,000		47,138,000
Allowance for Loan and Lease Losses [Roll Forward]
Balance Beginning	1,916,000	2,131,000
Amounts charged to expense	1,034,000	524,000
Accounts written off	(801,000)	(895,000)
Balance Closing	2,149,000	1,760,000
Financing Receivable, Recorded Investment, Aging [Abstract]
Less than 31 days	53,933,000		42,573,000
Greater than 30 days and less than 61 days	1,176,000		4,391,000
Greater than 60 days and less than 91 days	485,000		1,363,000
Greater than 90 days and Less than 121 days	224,000		311,000
Greater than 120 days	232,000		416,000
Loan Receivables - Total	56,050,000		49,054,000
Still accruing interest	0		0
Not accruing interest	456,000		727,000
Total	456,000		727,000
DIS
Loan receivables
Finance receivables	$ 62,000,000