| In millions, except per share items | Apr-30-23 | Apr-30-22 | Apr-30-21 | Apr-30-20 | Apr-30-19 | Apr-30-18 | Apr-30-17 | Apr-30-16 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K |
| Total revenues | 39.7 | 40.5 | 40.4 | 40.3 | 36.3 | 35.9 | 42.7 | 34.5 |
| Revenue growth | -2.0% | 0.3% | 0.2% | 11.1% | 1.1% | -16.0% | 23.6% | -2.8% |
| Cost of goods sold | 28.2 | 29.7 | 32.9 | 31.2 | 30.8 | 33.3 | -43.4 | 0.0 |
| Gross profit | 11.5 | 10.8 | 7.5 | 9.1 | 5.4 | 2.6 | 86.1 | 34.5 |
| Gross margin | 28.9% | 26.7% | 18.7% | 22.6% | 14.9% | 7.2% | 201.6% | 100.0% |
| Selling, general and administrative [+] | | | | | | | 35.2 | 32.7 |
| Sales and marketing | 8.3 | 8.2 | 9.2 | 8.3 | 8.6 | 9.6 | 12.5 | 12.4 |
| General and administrative | 20.0 | 21.5 | 23.7 | 22.9 | 22.2 | 23.7 | 22.7 | 4.6 |
| Other selling, general and administrative | -28.2 | -29.7 | -32.9 | -31.2 | -30.8 | -33.3 | | 15.7 |
| Other operating expenses | | | | | | | 35.2 | |
| EBITDA [+] | 12.8 | 12.1 | 8.8 | 9.4 | 5.8 | 3.7 | 20.2 | 5.7 |
| EBITDA growth | 5.6% | 37.5% | -5.6% | 61.9% | 56.3% | -81.7% | 254.7% | 11.4% |
| EBITDA margin | 32.3% | 29.9% | 21.9% | 23.2% | 15.9% | 10.3% | 47.3% | 16.5% |
| Depreciation and amortization | 1.3 | 1.3 | 1.3 | 0.3 | 0.4 | 1.1 | 4.6 | 3.8 |
| EBIT [+] | 11.5 | 10.8 | 7.5 | 9.1 | 5.4 | 2.6 | 15.6 | 1.9 |
| EBIT growth | 6.2% | 43.3% | -17.1% | 67.9% | 110.5% | -83.5% | 728.8% | -21.6% |
| EBIT margin | 28.9% | 26.7% | 18.7% | 22.6% | 14.9% | 7.2% | 36.5% | 5.4% |
| Non-recurring items [+] | | | | | | | 8.1 | |
| Loss (gain) on sale of assets | | | | | | | 8.1 | |
| Interest income | 1.2 | 0.5 | 5.4 | 0.8 | 1.6 | 0.5 | 0.3 | 0.5 |
| Interest income | 1.2 | 0.5 | 5.4 | 0.8 | 1.6 | 0.5 | 0.3 | 0.5 |
| Other income (expense), net [+] | 11.1 | 19.3 | 17.3 | 10.8 | 9.3 | 8.8 | 7.7 | 7.7 |
| Gain (loss) on debt retirement | | 2.3 | | | | | | |
| Pre-tax income | 23.8 | 30.6 | 30.3 | 20.7 | 16.3 | 11.9 | 15.5 | 10.0 |
| Income taxes | 5.7 | 6.8 | 7.0 | 5.7 | 4.3 | -2.8 | 5.1 | 2.7 |
| Tax rate | 24.0% | 22.2% | 23.1% | 27.6% | 26.4% | | 33.1% | 27.1% |
| Net income | 18.1 | 23.8 | 23.3 | 14.9 | 12.0 | 14.7 | 10.4 | 7.3 |
| Net margin | 45.5% | 58.8% | 57.6% | 37.1% | 33.1% | 41.1% | 24.3% | 21.1% |
| |
| Basic EPS [+] | $1.91 | $2.50 | $2.43 | $1.55 | $1.24 | $1.52 | $1.07 | $0.75 |
| Growth | -23.5% | 2.9% | 56.6% | 24.9% | -18.4% | 42.4% | 43.1% | 0.3% |
| Diluted EPS [+] | $1.91 | $2.50 | $2.43 | $1.55 | $1.24 | $1.52 | $1.07 | $0.75 |
| Growth | -23.5% | 2.9% | 56.6% | 24.9% | -18.4% | 42.4% | 43.1% | 0.3% |
| |
| Dividends per share [+] | $1.00 | $0.88 | $0.84 | $0.80 | $0.76 | $0.92 | $0.68 | $0.63 |
| Growth | 13.7% | 4.7% | 5.0% | 5.3% | -17.4% | 35.2% | 7.9% | 5.1% |
| |
| Shares outstanding (basic) [+] | 9.5 | 9.5 | 9.6 | 9.6 | 9.7 | 9.7 | 9.7 | 9.8 |
| Growth | -0.9% | -0.5% | -0.5% | -0.4% | -0.2% | -0.2% | -0.6% | -0.3% |
| Shares outstanding (diluted) [+] | 9.5 | 9.5 | 9.6 | 9.6 | 9.7 | 9.7 | 9.7 | 9.8 |
| Growth | -0.9% | -0.5% | -0.5% | -0.4% | -0.2% | -0.2% | -0.6% | -0.3% |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |