| In millions, except per share items | Sep-30-21 | Sep-30-20 | Sep-30-19 | Sep-30-18 | Sep-30-17 | Sep-30-16 | Sep-30-15 | Sep-30-14 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K |
| Total revenues | 35.2 | 32.4 | 35.5 | 34.3 | 30.0 | 27.3 | 30.3 | 23.3 |
| Revenue growth | 8.8% | -8.9% | 3.7% | 14.1% | 9.9% | -9.8% | 30.2% | -11.6% |
| Cost of goods sold [+] | 23.5 | 18.4 | 21.5 | 21.2 | 20.2 | 11.8 | 14.9 | 7.6 |
| Cost of product sales | | | | | | 4.2 | 7.1 | |
| Maintenance and operations costs | 14.1 | 11.3 | 11.0 | 11.5 | 12.4 | 7.6 | 7.8 | |
| Gross profit | 11.8 | 14.0 | 14.0 | 13.1 | 9.8 | 15.6 | 15.4 | 15.7 |
| Gross margin | 33.4% | 43.2% | 39.5% | 38.2% | 32.6% | 56.9% | 50.8% | 67.5% |
| Selling, general and administrative [+] | 4.1 | 4.2 | 4.1 | 4.0 | 3.1 | 2.4 | 0.3 | 2.4 |
| Sales and marketing | 0.4 | 0.5 | 0.5 | 0.4 | 0.5 | 0.4 | | 0.5 |
| General and administrative | 3.7 | 3.6 | 3.6 | 3.6 | 2.6 | 2.0 | | 1.9 |
| Other selling, general and administrative | 0.4 | 0.5 | 0.5 | 0.4 | 0.5 | 0.4 | | 0.5 |
| Equity in earnings | 0.0 | -0.1 | -0.1 | -0.1 | -0.1 | -0.1 | -0.1 | -0.1 |
| Other operating expenses | | | | | 2.1 | 9.4 | 11.4 | 9.1 |
| EBITDA [+] | 7.7 | 9.8 | 9.8 | 9.0 | 6.6 | 5.5 | 5.2 | 5.6 |
| EBITDA growth | -21.4% | -0.1% | 9.4% | 36.7% | 20.1% | 4.8% | -7.4% | 18.5% |
| EBITDA margin | 21.8% | 30.2% | 27.6% | 26.1% | 21.8% | 20.0% | 17.2% | 24.1% |
| Depreciation | 2.7 | 1.9 | 1.7 | 1.9 | 1.2 | 1.3 | 1.6 | 1.5 |
| EBITA | 5.0 | 7.9 | 8.1 | 7.1 | 5.3 | 4.1 | 3.6 | 4.1 |
| EBITA margin | 14.3% | 24.4% | 22.8% | 20.7% | 17.7% | 15.1% | 11.8% | 17.5% |
| Amortization of intangibles | 0.7 | 0.7 | 0.8 | 0.5 | 0.9 | 0.4 | | |
| EBIT [+] | 4.4 | 7.2 | 7.3 | 6.6 | 4.4 | 3.7 | 3.6 | 4.1 |
| EBIT growth | -39.3% | -1.8% | 10.9% | 49.3% | 19.2% | 3.2% | -12.2% | 60.9% |
| EBIT margin | 12.4% | 22.1% | 20.5% | 19.2% | 14.7% | 13.5% | 11.8% | 17.5% |
| Interest expense, net [+] | 3.4 | 2.6 | 2.3 | 2.1 | 1.7 | 0.8 | 0.8 | 0.8 |
| Interest expense | 3.4 | 2.6 | 2.3 | 2.1 | 1.9 | 0.9 | 0.9 | 0.8 |
| Interest income | | | | 0.0 | 0.2 | 0.1 | 0.1 | 0.1 |
| Other income (expense), net [+] | 1.1 | -0.4 | -0.5 | -0.7 | 0.1 | 1.3 | 0.1 | 0.1 |
| Gain (loss) on acquisitions / transactions | | | | | | 1.2 | | |
| Other non-operating income | | | | | | | | 0.1 |
| Other non-ooperating expenses | | | | | | | | 0.0 |
| Other | 0.6 | -0.7 | -0.6 | -0.8 | 0.1 | 0.0 | 0.1 | 0.0 |
| Pre-tax income | 2.0 | 4.2 | 4.4 | 3.8 | 2.8 | 4.2 | 2.9 | 3.4 |
| Income taxes | 0.5 | 1.0 | 1.3 | 1.7 | 0.0 | 0.0 | 0.0 | 0.0 |
| Tax rate | 23.3% | 23.1% | 29.7% | 44.0% | 0.0% | 0.0% | 0.0% | 0.0% |
| Net income | 1.3 | 3.0 | 2.9 | 1.9 | 1.9 | 3.1 | 1.8 | 2.1 |
| Net margin | 3.6% | 9.1% | 8.1% | 5.5% | 6.2% | 11.2% | 5.9% | 8.9% |
| |
| Basic EPS [+] | $0.42 | $0.97 | $0.95 | $0.63 | $0.62 | $1.03 | $0.73 | $0.88 |
| Growth | -57.0% | 1.8% | 50.3% | 1.5% | -39.7% | 41.3% | -17.3% | |
| Diluted EPS [+] | $0.42 | $0.88 | $0.87 | $0.63 | $0.62 | $1.00 | $0.73 | $0.88 |
| Growth | -52.9% | 1.9% | 37.1% | 1.5% | -37.8% | 37.0% | -17.3% | |
| |
| Dividends per share [+] | $0.67 | $0.61 | $0.59 | $0.57 | $0.55 | $0.44 | $0.50 | $0.46 |
| Growth | 10.6% | 3.3% | 2.3% | 3.9% | 25.9% | -12.9% | 9.8% | 3.3% |
| |
| Shares outstanding (basic) [+] | 3.1 | 3.1 | 3.0 | 3.0 | 3.0 | 3.0 | 2.4 | 2.3 |
| Growth | 0.7% | 0.8% | 0.8% | 0.8% | 0.7% | 21.4% | 4.2% | 4.6% |
| Shares outstanding (diluted) [+] | 3.1 | 3.4 | 3.3 | 3.0 | 3.0 | 3.1 | 2.4 | 2.3 |
| Growth | -8.0% | 0.7% | 10.6% | 0.8% | -2.5% | 25.2% | 4.2% | 4.6% |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |