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Note L - Commitments and Contingencies - Future Lease Obligations (Details) - USD ($) $ in Thousands	Apr. 30, 2023	Apr. 30, 2022
Statement [Line Items]
2024	$ 7,782
2025	7,770
2026	7,232
2027	6,720
2028	6,137
Thereafter	46,546
Total undiscounted operating lease payments	82,187
Less: imputed interest	19,887
Present value of operating lease liabilities	$ 62,300	$ 61,481

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Amount of lessee's undiscounted obligation for lease payment for operating lease.

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