| 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 |
| Total revenues [+] | 586.7 | 491.4 | 362.0 | 275.4 | 270.2 | 259.9 | 247.7 | 247.8 |
| Net interest income | 10.0 | 9.3 | 8.3 | 7.7 | 7.5 | 8.1 | 8.5 | -14.6 |
| Other income | 5.6 | 5.8 | 6.4 | 6.3 | 5.6 | 4.8 | 3.8 | 3.4 |
| Revenue growth | 117.2% | 89.1% | 46.2% | 11.1% | 15.8% | 13.1% | 0.9% | -4.2% |
| Cost of goods sold | 409.6 | 345.5 | 266.6 | 225.1 | 228.4 | 219.4 | 198.8 | 199.0 |
| Gross profit | 177.1 | 145.9 | 95.4 | 50.3 | 41.8 | 40.4 | 48.8 | 48.8 |
| Gross margin | 30.2% | 29.7% | 26.3% | 18.3% | 15.5% | 15.6% | 19.7% | 19.7% |
| Selling, general and administrative [+] | 27.0 | 25.1 | 21.3 | 18.9 | 18.4 | 18.1 | 17.7 | 14.0 |
| Sales and marketing | 11.2 | 9.3 | | 7.5 | 7.0 | 6.7 | | 7.4 |
| General and administrative | | | 15.8 | | | | 11.4 | |
| Other selling, general and administrative | | | 5.5 | | | | 6.4 | |
| Equity in earnings | 0.0 | 0.4 | 0.4 | 0.7 | 0.6 | 0.5 | 0.4 | 0.0 |
| Other operating expenses [+] | -2.6 | -2.9 | -3.2 | -4.7 | -4.6 | -4.5 | -4.4 | 0.0 |
| Exploration expenses | 0.9 | 0.8 | 0.7 | 0.6 | 0.5 | 0.5 | 0.5 | 0.4 |
| EBITDA [+] | 152.7 | 124.0 | 77.7 | 36.8 | 28.6 | 27.4 | 35.9 | 34.8 |
| EBITDA growth | 433.0% | 352.0% | 116.7% | 5.7% | -30.4% | -38.4% | -21.3% | -33.7% |
| EBITDA margin | 26.0% | 25.2% | 21.5% | 13.4% | 10.6% | 10.6% | 14.5% | 14.1% |
| Depreciation and amortization | 61.3 | 55.3 | 46.9 | 42.0 | 40.6 | 39.2 | 40.0 | 39.3 |
| EBIT [+] | 91.4 | 68.7 | 30.9 | -5.2 | -12.0 | -11.8 | -4.1 | -4.5 |
| EBIT growth | -861.4% | -684.4% | -854.5% | 14.9% | -609.5% | -325.6% | -168.8% | -147.6% |
| EBIT margin | 15.6% | 14.0% | 8.5% | -1.9% | -4.4% | -4.5% | -1.7% | -1.8% |
| Non-recurring items | | | | | | | 1.6 | |
| Interest expense | 14.3 | 13.1 | 11.0 | 9.3 | 8.1 | 7.9 | 8.0 | 8.3 |
| Interest expense | 14.3 | 13.1 | 11.0 | 9.3 | 8.1 | 7.9 | 8.0 | 8.3 |
| Other income (expense), net [+] | | | | | | | | 10.0 |
| Amortization of financing costs and debt discount | 4.3 | 4.1 | 3.6 | 3.2 | 2.8 | 2.6 | 2.6 | 2.5 |
| Gain (loss) on debt retirement | | | | | | | | 10.0 |
| Write-off of deferred debt issuance costs | | | | | | | | 10.0 |
| Pre-tax income | 77.0 | 55.6 | 19.9 | -16.1 | -11.7 | -11.3 | -3.7 | -2.8 |
| Income taxes | 6.4 | 5.3 | 1.8 | 3.6 | 1.6 | 1.6 | 0.0 | -2.1 |
| Tax rate | 8.4% | 9.5% | 8.8% | -22.1% | | -14.0% | | |
| Net income | 70.6 | 50.3 | 18.1 | -19.7 | -13.3 | -12.9 | -3.8 | -0.7 |
| Net margin | 12.0% | 10.2% | 5.0% | -7.1% | -4.9% | -4.9% | -1.5% | -0.3% |
| |
| Basic EPS [+] | $2.15 | $1.56 | $0.57 | ($0.63) | ($0.43) | ($0.42) | ($0.12) | ($0.02) |
| Growth | -597.9% | -472.4% | -566.4% | 2469.7% | 93.9% | 255.9% | -40.0% | -98.8% |
| Diluted EPS [+] | $2.01 | $1.50 | $0.56 | ($0.63) | ($0.43) | ($0.42) | ($0.12) | ($0.02) |
| Growth | -565.2% | -456.7% | -559.5% | 2463.8% | 93.9% | 255.9% | -40.0% | -98.8% |
| |
| Growth | | | | | | | -100.0% | -100.0% |
| |
| Shares outstanding (basic) [+] | 32.8 | 32.2 | 31.7 | 31.3 | 30.7 | 30.7 | 30.6 | 30.6 |
| Growth | 6.8% | 5.1% | 3.4% | 2.4% | 0.6% | 0.6% | 0.6% | 0.6% |
| Shares outstanding (diluted) [+] | 35.1 | 33.6 | 32.1 | 31.4 | 30.7 | 30.7 | 30.6 | 30.6 |
| Growth | 14.3% | 9.7% | 4.9% | 2.6% | 0.6% | 0.6% | 0.6% | 0.6% |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |