Consolidated Statements of Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Revenue:
Finance Charges Revenue	$ 341.5	$ 289.7	$ 663.4	$ 560.0
Premiums earned	13.1	11.7	25.3	22.0
Other income	16.0	14.0	35.7	29.0
Total revenue	370.6	315.4	724.4	611.0
Costs and expenses:
Salaries and wages	47.3	39.7	96.0	82.2
General and administrative	16.8	12.7	30.7	27.2
Sales and marketing	17.7	17.2	36.5	35.0
Provision for credit losses	15.4	1.8	29.9	25.2
Interest	49.8	38.7	94.8	73.2
Provision for claims	8.3	7.3	14.9	12.5
Total costs and expenses	155.3	117.4	302.8	255.3
Income before provision for income taxes	215.3	198.0	421.6	355.7
Provision for income taxes	50.9	47.0	92.8	84.6
Net income	$ 164.4	$ 151.0	$ 328.8	$ 271.1
Net income per share:
Basic (in usd per share)	$ 8.68	$ 7.76	$ 17.35	$ 13.94
Diluted (in usd per share)	$ 8.68	$ 7.75	$ 17.33	$ 13.92
Weighted average shares outstanding:
Basic (in shares)	18,944,672	19,465,563	18,949,902	19,451,726
Diluted (in shares)	18,949,962	19,472,164	18,976,289	19,471,959