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REVENUES - Other revenues (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Jan. 31, 2025
Jan. 31, 2024
Jan. 31, 2025
Jan. 31, 2024
Other revenues        
Sale of investment assets $ 0 $ 5,701 $ 0 $ 5,701
Landscaping revenues 370 213 1,473 639
Miscellaneous other revenues 148 138 510 390
Total $ 518 $ 6,052 $ 1,983 $ 6,730