| In millions, except per share items | Jun-30-23 | Mar-31-23 | Dec-31-22 | Sep-30-22 | Jun-30-22 | Mar-31-22 | Dec-31-21 | Sep-30-21 |
| | 10-Q | 10-Q | 10-K | 10-Q | 10-Q | 10-Q | 10-K | 10-Q |
| Revenues | 101.4 | 105.2 | 151.4 | 185.3 | 198.7 | 184.4 | 184.7 | 183.4 |
| Revenue growth | -49.0% | -43.0% | -18.0% | 1.0% | 53.0% | 90.9% | 145.7% | 169.0% |
| Cost of goods sold | 68.9 | 77.2 | 97.9 | 93.7 | 84.8 | 94.3 | 65.5 | 69.1 |
| Gross profit | 32.5 | 28.0 | 53.5 | 91.7 | 113.9 | 90.1 | 119.2 | 114.3 |
| Gross margin | 32.0% | 26.7% | 35.3% | 49.5% | 57.3% | 48.9% | 64.5% | 62.3% |
| Selling, general and administrative [+] | 11.3 | 11.0 | 11.6 | 9.7 | 9.9 | 10.1 | 11.6 | 7.9 |
| General and administrative | 11.3 | 11.0 | 11.6 | 9.7 | 9.9 | 10.1 | 11.6 | 7.9 |
| Other operating expenses | 0.1 | 0.1 | 1.2 | 2.5 | 0.0 | 0.1 | 0.5 | 0.8 |
| EBITDA [+] | 17.7 | 13.5 | 37.3 | 76.1 | 100.6 | 77.1 | 104.7 | 103.4 |
| EBITDA growth | -82.4% | -82.5% | -64.4% | -26.4% | 54.9% | 163.1% | 462.8% | 767.7% |
| EBITDA margin | 17.5% | 12.8% | 24.6% | 41.0% | 50.6% | 41.8% | 56.7% | 56.4% |
| Depreciation and amortization | 11.4 | 11.2 | 12.4 | 11.9 | 11.9 | 11.7 | 11.9 | 11.4 |
| EBIT [+] | 6.3 | 2.3 | 24.9 | 64.1 | 88.7 | 65.4 | 92.8 | 92.0 |
| EBIT growth | -92.9% | -96.5% | -73.2% | -30.3% | 64.6% | 247.9% | 1073.1% | 8025.0% |
| EBIT margin | 6.2% | 2.2% | 16.4% | 34.6% | 44.7% | 35.5% | 50.2% | 50.1% |
| Non-recurring items [+] | -11.6 | -3.3 | 0.0 | -9.3 | | | 0.0 | -4.0 |
| Loss (gain) on sale of assets | -11.6 | -3.3 | 0.0 | -9.3 | | | 0.0 | -4.0 |
| Interest expense, net [+] | 2.6 | 2.0 | 2.1 | 3.4 | 4.2 | 4.4 | 6.7 | 8.5 |
| Interest expense | 4.4 | 3.9 | 4.0 | 4.2 | 4.3 | 4.4 | 6.7 | 8.5 |
| Interest income | 1.8 | 1.8 | 1.8 | 0.9 | 0.2 | 0.0 | 0.0 | 0.0 |
| Other income (expense), net [+] | 2.8 | -0.4 | 0.6 | 7.1 | 9.9 | -7.9 | 1.4 | -9.1 |
| Gain (loss) on debt retirement | | | 0.0 | -4.2 | | | -6.0 | -0.1 |
| Gain (loss) on derivative instruments | -2.8 | 0.4 | -0.6 | -11.3 | -9.9 | 7.9 | -7.3 | 9.0 |
| Write-off of deferred debt issuance costs | | | 0.0 | -4.2 | | | -6.0 | -0.1 |
| Pre-tax income | 18.0 | 3.2 | 23.3 | 77.2 | 94.5 | 53.1 | 87.5 | 78.3 |
| Income taxes | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Tax rate | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% |
| Net income | 18.0 | 3.2 | 23.3 | 77.2 | 94.5 | 53.1 | 87.5 | 78.3 |
| Net margin | 17.8% | 3.0% | 15.4% | 41.7% | 47.5% | 28.8% | 47.4% | 42.7% |
| |
| Basic EPS [+] | $1.42 | $0.25 | $1.79 | $5.94 | $7.27 | $4.09 | $7.06 | $6.12 |
| Growth | -80.5% | -94.0% | -74.6% | -2.9% | 859.2% | 387.2% | 62949.7% | -663.7% |
| Diluted EPS [+] | $1.12 | $0.24 | $1.43 | $4.77 | $5.77 | $3.27 | $5.58 | $4.92 |
| Growth | -80.5% | -92.5% | -74.4% | -3.0% | 675.1% | 289.3% | 49744.8% | -552.8% |
| |
| Dividends per share [+] | $0.11 | $0.66 | $1.80 | $2.21 | $2.00 | $2.07 | $2.08 | |
| Growth | -94.7% | -68.0% | -13.2% | | | | | |
| |
| Shares outstanding (basic) [+] | 12.7 | 13.1 | 13.0 | 13.0 | 13.0 | 13.0 | 12.4 | 12.8 |
| Growth | -2.0% | 0.6% | 4.8% | 1.5% | 6.7% | 10.6% | 20.3% | 24.5% |
| Shares outstanding (diluted) [+] | 16.1 | 13.1 | 16.3 | 16.2 | 16.4 | 16.3 | 15.7 | 15.9 |
| Growth | -1.9% | -19.1% | 4.0% | 1.7% | 32.1% | 38.4% | 52.1% | 55.0% |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |