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Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Thousands
Apr. 30, 2026
Apr. 30, 2025
Statement of Financial Position [Abstract]    
Allowance for credit losses $ 5 $ 5
Net of accumulated depreciation and amortization $ 397,668 $ 368,811
Preferred stock, par value $ 0.001 $ 0.001
Preferred stock, shares authorized 20,000,000 20,000,000
Preferred stock, shares issued 0 0
Preferred stock, shares outstanding 0 0
Common stock, par value $ 0.001 $ 0.001
Common stock, shares authorized 100,000,000 100,000,000
Common stock, shares issued 44,605,993 75,789,455
Common stock, shares outstanding 44,605,993 44,111,461
Treasury stock, shares 0 31,677,994