Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jan. 31, 2019	Jan. 31, 2018	Jan. 31, 2019	Jan. 31, 2018
Revenues:
Sales	$ 139,803	$ 128,166	$ 430,315	$ 386,867
Interest and other income	21,251	19,048	61,925	55,883
Total revenue	161,054	147,214	492,240	442,750
Costs and expenses:
Cost of sales	81,740	74,951	251,274	225,780
Selling, general and administrative	26,488	25,945	79,068	73,537
Provision for credit losses	35,555	37,872	111,619	110,778
Interest expense	2,110	1,482	5,895	3,978
Depreciation and amortization	985	1,057	2,949	3,244
Loss (gain) on disposal of property and equipment	(100)	84	(88)	188
Total costs and expenses	146,778	141,391	450,717	417,505
Income before taxes	14,276	5,823	41,523	25,245
Provision (benefit) for income taxes	3,381	(7,556)	8,464	(1,095)
Net income	10,895	13,379	33,059	26,340
Less: Dividends on mandatorily redeemable preferred stock	(10)	(10)	(30)	(30)
Net income attributable to common stockholders	$ 10,885	$ 13,369	$ 33,029	$ 26,310
Earnings per share:
Basic (in dollars per share)	$ 1.61	$ 1.88	$ 4.82	$ 3.59
Diluted (in dollars per share)	$ 1.55	$ 1.82	$ 4.66	$ 3.48
Weighted average number of shares used in calculation:
Basic (in shares)	6,751,026	7,106,715	6,846,707	7,336,687
Diluted (in shares)	7,003,389	7,345,428	7,087,430	7,556,255