Debt (Schedule Of Outstanding Term ABS Financings) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013
Term ABS 2010-1 [Member]
Debt Instrument [Line Items]
Close Date	November 4, 2010
Net Book Value of Loans Contributed at Closing	$ 126.8
Debt Instrument Revolving Period	2 years
Debt maturity date	Oct. 15, 2012	[1],[2]
Term ABS 2011-1 [Member]
Debt Instrument [Line Items]
Close Date	October 6, 2011
Net Book Value of Loans Contributed at Closing	250.8
Debt Instrument Revolving Period	2 years
Debt maturity date	Sep. 16, 2013	[1],[2]
Term ABS 2012-1 [Member]
Debt Instrument [Line Items]
Close Date	March 29, 2012
Net Book Value of Loans Contributed at Closing	251.7
Debt Instrument Revolving Period	2 years
Debt maturity date	Mar. 17, 2014	[1],[2]
Term ABS 2012-2 [Member]
Debt Instrument [Line Items]
Close Date	September 20, 2012
Net Book Value of Loans Contributed at Closing	$ 315.1
Debt Instrument Revolving Period	2 years
Debt maturity date	Sep. 15, 2014	[1],[2]

[1] Financing made available only to a specified subsidiary of the Company.

[2] Represents the revolving maturity date.  The outstanding balance will amortize after the maturity date based on the cash flows of the pledged assets.