Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Jan. 31, 2014	Jan. 31, 2013	Jan. 31, 2014	Jan. 31, 2013
Revenues:
Sales	$ 108,400	$ 106,215	$ 325,314	$ 302,706
Interest income	14,188	12,707	41,249	36,435
Total revenue	122,588	118,922	366,563	339,141
Costs and expenses:
Cost of sales, excluding depreciation shown below	62,092	60,941	187,537	173,330
Selling, general and administrative	19,650	18,711	59,045	53,918
Provision for credit losses	36,776	25,189	91,602	70,499
Interest expense	779	795	2,291	2,156
Depreciation and amortization	835	712	2,407	2,070
Loss on disposal of property and equipment	37	64	76	64
Total costs and expenses	120,169	106,412	342,958	302,037
Income before taxes	2,419	12,510	23,605	37,104
Provision for income taxes	949	4,530	8,789	13,728
Net income	1,470	7,980	14,816	23,376
Less: Dividends on mandatorily redeemable preferred stock	(10)	(10)	(30)	(30)
Net income attributable to common stockholders	$ 1,460	$ 7,970	$ 14,786	$ 23,346
Earnings per share:
Basic (in Dollars per share)	$ 0.16	$ 0.88	$ 1.65	$ 2.55
Diluted (in Dollars per share)	$ 0.16	$ 0.84	$ 1.56	$ 2.43
Weighted average number of shares outstanding:
Basic (in Shares)	8,917,826	9,017,613	8,984,958	9,142,296
Diluted (in Shares)	9,370,635	9,451,473	9,449,380	9,593,854