v3.26.1
CONSOLIDATED BALANCE SHEETS (Parentheticals) - USD ($)
$ in Thousands
Jul. 31, 2026
Apr. 30, 2026
Statement of Financial Position [Abstract]    
Supplemental type certificates, accumulated amortization $ 13,902 $ 13,499
Other assets, accumulated amortization $ 13,214 $ 13,069
Preferred stock, par value (in dollars per share) $ 5 $ 5
Preferred stock, shares authorized (in shares) 50,000,000 50,000,000
Preferred stock, designated classes (in shares) 200,000 200,000
Preferred stock, shares issued (in shares) 0 0
Preferred stock, shares outstanding (in shares) 0 0
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, shares authorized (in shares) 100,000,000 100,000,000
Common stock, shares, issued (in shares) 80,041,552 80,009,834
Common stock, shares, outstanding (in shares) 63,862,647 64,085,548
Treasury stock, shares (in shares) 16,178,905 15,924,286