Income Taxes (Schedule Of Deferred Tax Assets And Liabilities) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Income Taxes [Abstract]
Allowance for credit losses	$ 71.5	$ 64.2
Stock-based compensation	12.6	10.0
Deferred state net operating loss	3.0	1.9
Other, net	7.9	6.6
Total deferred tax assets	95.0	82.7
Valuation of Loans receivable	242.3	220.5
Deferred Loan origination costs	3.3	3.7
Other, net	6.6	6.9
Total deferred tax liabilities	252.2	231.1
Net deferred tax liabilities	$ 157.2	$ 148.4