Finance Receivables (Contractual Maturities Of Finance Receivables) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013
Accounts, Notes, Loans and Financing Receivable [Line Items]
2014	$ 1,796,601
2015	1,031,420
2016	1,162,491
2017	1,178,935
2018	876,094
Thereafter	64,715
Total	6,110,256
United States [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
2014	1,713,839
2015	990,463
2016	1,116,609
2017	1,127,536
2018	838,574
Thereafter	64,715
Total	5,851,736
Canada [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
2014	82,762
2015	40,957
2016	45,882
2017	51,399
2018	37,520
Thereafter	0
Total	$ 258,520