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Segment Information (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Oct. 31, 2023 | Oct. 31, 2022 | Oct. 31, 2023 | Oct. 31, 2022
Segment Reporting Information [Line Items] |  |  |  |
Net sales | $ 50,436 | $ 54,564 | $ 100,275 | $ 104,687
Intersegment revenues | 0 | 0 | 0 | 0
Earnings (loss) before income taxes | 4,845 | 456 | 8,257 | 116
Corporate / Eliminations |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | 0 | 0 | 0 | 0
Intersegment revenues | (1,529) | (3,985) | (2,241) | (6,402)
Earnings (loss) before income taxes | (1,243) | (1,891) | (2,247) | (3,423)
Domestic Operations | Operating Segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | 34,185 | 37,991 | 69,605 | 75,459
Intersegment revenues | 374 | 650 | 425 | 1,446
Earnings (loss) before income taxes | 4,287 | 491 | 7,910 | 589
International Operations | Operating Segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | 16,251 | 16,573 | 30,670 | 29,228
Intersegment revenues | 1,155 | 3,335 | 1,816 | 4,956
Earnings (loss) before income taxes | $ 1,801 | $ 1,856 | $ 2,594 | $ 2,950

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