Finance Assets (Allowance for Credit Losses) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Allowance for Loan and Lease Losses [Roll Forward]
Balance at	$ 28,110	$ 36,949	$ 40,094
Amounts charged to expense	11,388	17,075	20,054
Accounts written off	(17,735)	(25,914)	(23,199)
Balance at	21,763	28,110	36,949
North America | Sales-type Lease Receivables
Allowance for Loan and Lease Losses [Roll Forward]
Balance at	10,281	14,165	16,979
Amounts charged to expense	1,189	4,346	4,584
Accounts written off	(4,735)	(8,230)	(7,398)
Balance at	6,735	10,281	14,165
North America | Loan Receivables
Allowance for Loan and Lease Losses [Roll Forward]
Balance at	10,912	11,165	12,322
Amounts charged to expense	8,286	10,237	9,663
Accounts written off	(9,302)	(10,490)	(10,820)
Balance at	9,896	10,912	11,165
International | Sales-type Lease Receivables
Allowance for Loan and Lease Losses [Roll Forward]
Balance at	5,129	9,703	8,662
Amounts charged to expense	890	866	4,553
Accounts written off	(2,405)	(5,440)	(3,512)
Balance at	3,614	5,129	9,703
International | Loan Receivables
Allowance for Loan and Lease Losses [Roll Forward]
Balance at	1,788	1,916	2,131
Amounts charged to expense	1,023	1,626	1,254
Accounts written off	(1,293)	(1,754)	(1,469)
Balance at	$ 1,518	$ 1,788	$ 1,916