Consolidated Statements of Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Revenue:
Finance charges	$ 215.2	$ 180.2	$ 418.0	$ 350.1
Premiums earned	10.9	12.6	21.7	24.7
Other income	12.4	10.3	26.7	22.5
Total revenue	238.5	203.1	466.4	397.3
Costs and expenses:
Salaries and wages	30.1	28.5	62.8	58.9
General and administrative	12.6	9.1	24.7	18.2
Sales and marketing	11.9	10.9	25.6	22.6
Provision for credit losses	17.9	8.4	40.0	14.6
Interest	24.3	19.6	46.4	34.5
Provision for claims	7.0	9.2	13.8	17.8
Total costs and expenses	103.8	85.7	213.3	166.6
Income before provision for income taxes	134.7	117.4	253.1	230.7
Provision for income taxes	49.8	43.2	93.8	85.0
Net income	$ 84.9	$ 74.2	$ 159.3	$ 145.7
Net income per share:
Basic (in usd per share)	$ 4.17	$ 3.54	$ 7.81	$ 6.96
Diluted (in usd per share)	$ 4.17	$ 3.54	$ 7.80	$ 6.95
Weighted average shares outstanding:
Basic (in shares)	20,379,557	20,946,827	20,407,379	20,934,790
Diluted (in shares)	20,382,804	20,951,832	20,433,524	20,949,048