Condensed Consolidated Balance Sheets (Unaudited) (Parentheticals) - USD ($) $ in Thousands	Jan. 31, 2026	Apr. 30, 2025
Statement of Financial Position [Abstract]
Financing receivable, allowance for credit loss	$ 347,565	$ 323,100
Preferred shares, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, authorized (in shares)	1,000,000	1,000,000
Preferred stock, issued (in shares)	0	0
Preferred stock, outstanding (in shares)	0	0
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, authorized (in shares)	50,000,000	50,000,000
Common stock, issued (in shares)	15,654,558	15,605,818
Common shares, outstanding (in shares)	8,302,450	8,263,280
Treasury stock, at cost (in shares)	7,352,108	7,342,538