Consolidated Statements of Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Revenue:
Finance charges	$ 289.7	$ 251.8	$ 560.0	$ 489.8
Premiums earned	11.7	10.5	22.0	20.6
Other income	14.0	13.7	29.0	28.4
Total revenue	315.4	276.0	611.0	538.8
Costs and expenses:
Salaries and wages	39.7	32.7	82.2	68.2
General and administrative	12.7	14.0	27.2	27.9
Sales and marketing	17.2	14.4	35.0	29.5
Provision for credit losses	1.8	21.8	25.2	42.3
Interest	38.7	29.9	73.2	57.5
Provision for claims	7.3	6.1	12.5	12.1
Total costs and expenses	117.4	118.9	255.3	237.5
Income before provision for income taxes	198.0	157.1	355.7	301.3
Provision for income taxes	47.0	58.0	84.6	108.9
Net income	$ 151.0	$ 99.1	$ 271.1	$ 192.4
Net income per share:
Basic (in usd per share)	$ 7.76	$ 5.09	$ 13.94	$ 9.82
Diluted (in usd per share)	$ 7.75	$ 5.09	$ 13.92	$ 9.81
Weighted average shares outstanding:
Basic (in shares)	19,465,563	19,458,155	19,451,726	19,589,593
Diluted (in shares)	19,472,164	19,463,521	19,471,959	19,615,849