| Schedule of segment results |
| | | | | | | | | | | | | | | Year Ended April 30, 2024 | | | UxS | | LMS | | MW | | Total | Revenue: | | | | | | | | | | | | | Product sales | | $ | 415,074 | | $ | 168,863 | | $ | 1,834 | | $ | 585,771 | Contract services | | | 32,932 | | | 23,724 | | | 74,293 | | | 130,949 | | | $ | 448,006 | | $ | 192,587 | | $ | 76,127 | | $ | 716,720 | | | | | | | | | | | | | | Segment adjusted income (loss) from operations | | $ | 93,122 | | $ | 24,062 | | $ | (24,706) | | $ | 92,478 | | | | | | | | | | | | | | Depreciation and amortization | | $ | 27,595 | | $ | 2,808 | | $ | 5,346 | | $ | 35,749 |
| | | | | | | | | | | | | | | Year Ended April 30, 2023 | | | UxS | | LMS | | MW | | Total | Revenue: | | | | | | | | | | | | | Product sales | | $ | 268,021 | | $ | 84,686 | | $ | 355 | | $ | 353,062 | Contract services | | | 75,889 | | | 35,938 | | | 75,647 | | | 187,474 | | | $ | 343,910 | | $ | 120,624 | | $ | 76,002 | | $ | 540,536 | | | | | | | | | | | | | | Segment adjusted income from operations | | $ | 30,568 | | $ | 8,074 | | $ | 3,664 | | $ | 42,306 | | | | | | | | | | | | | | Depreciation and amortization | | $ | 249,925 | | $ | 2,788 | | $ | 3,303 | | $ | 256,016 |
| | | | | | | | | | | | | | | Year Ended April 30, 2022 | | | UxS | | LMS | | MW | | Total | Product sales | | $ | 194,517 | | $ | 46,162 | | $ | 4 | | $ | 240,683 | Contract services | | | 106,226 | | | 30,253 | | | 68,570 | | | 205,049 | Revenue | | $ | 300,743 | | $ | 76,415 | | $ | 68,574 | | $ | 445,732 | | | | | | | | | | | | | | Segment adjusted income (loss) from operations | | $ | 28,703 | | $ | (2,823) | | $ | 5,794 | | $ | 31,674 | | | | | | | | | | | | | | Depreciation and amortization | | $ | 54,324 | | $ | 2,694 | | $ | 3,807 | | $ | 60,825 |
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| Summary of capital expenditures |
| | | | | | | | | | | | | | | | | | UxS | | LMS | | MW | | Corporate | | Total | Year Ended April 30, 2024 | | $ | 9,630 | | $ | 5,078 | | $ | 4,521 | | $ | 3,754 | | $ | 22,983 | Year Ended April 30, 2023 | | $ | 8,191 | | $ | 2,700 | | $ | 3,045 | | $ | 932 | | $ | 14,868 | Year Ended April 30, 2022 | | $ | 14,637 | | $ | 4,936 | | $ | 1,655 | | $ | 1,061 | | $ | 22,289 |
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