Consolidated Statements Of Income (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Revenue:
Finance charges	$ 152.8	$ 142.9
Premiums earned	13.2	12.0
Other income	10.9	9.8
Total revenue	176.9	164.7
Costs and expenses:
Salaries and wages	25.6	21.9
General and administrative	8.2	7.9
Sales and marketing	9.6	9.0
Provision for credit losses	4.7	5.8
Interest	16.0	16.0
Provision for claims	11.0	9.0
Loss on extinguishment of debt	21.8
Total costs and expenses	96.9	69.6
Income before provision for income taxes	80.0	95.1
Provision for income taxes	30.2	34.5
Net income	$ 49.8	$ 60.6
Net income per share:
Basic	$ 2.12	$ 2.49
Diluted	$ 2.12	$ 2.48
Weighted average shares outstanding:
Basic	23,463,380	24,330,027
Diluted	23,528,466	24,426,127