| 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 |
| Revenue: | | | | | | | | |
| Total revenue | 293.7 | 364.0 | 408.5 | 430.2 | 452.5 | 404.8 | 340.4 | 273.0 |
| Total revenue growth | -35.1% | -10.1% | 20.0% | 57.6% | 76.2% | 145.5% | 108.1% | 139.1% |
| Cost of sales and operating expenses: | | | | | | | | |
| Total cost of sales | 199.5 | 234.9 | 257.2 | 268.8 | 282.0 | 258.5 | 221.0 | 184.7 |
| Gross profit | 94.2 | 129.1 | 151.4 | 161.4 | 170.5 | 146.3 | 119.4 | 88.3 |
| Gross margin | 32.1% | 35.5% | 37.1% | 37.5% | 37.7% | 36.1% | 35.1% | 32.4% |
| Selling, general, and administrative expenses | 101.4 | 97.8 | 96.3 | 95.7 | 94.5 | 88.0 | 77.5 | 68.1 |
| (Loss) income from operations | -7.2 | 31.3 | 55.0 | 65.7 | 76.0 | 66.7 | 56.7 | 36.9 |
| Operating margin | -2.4% | 8.6% | 13.5% | 15.3% | 16.8% | 16.5% | 16.6% | 13.5% |
| |
| Other income (expenses): | | | | | | | | |
| Interest income (expense), net | 2.9 | 2.3 | 1.1 | -0.2 | -0.8 | -0.9 | -1.0 | -1.1 |
| Other income, net | 2.2 | 2.1 | 2.3 | 0.7 | 0.7 | 0.7 | 0.5 | 0.4 |
| Change in fair value of warrant liability | 0.4 | 0.4 | -0.5 | -2.1 | -2.2 | -4.0 | -2.9 | -3.1 |
| Total other income | 5.4 | 4.8 | 2.8 | -7.0 | -7.7 | -9.6 | -8.9 | -3.8 |
| (Loss) income before income tax provision | -1.7 | 36.1 | 57.9 | 58.7 | 68.3 | 57.1 | 47.8 | 33.1 |
| Income tax benefit (expense) | -0.8 | -9.5 | -14.0 | -12.8 | -15.0 | -13.8 | -11.7 | -7.9 |
| Net (loss) income | -2.5 | 26.6 | 43.9 | 45.9 | 53.2 | 43.3 | 36.1 | 25.2 |
| |
| (Loss) earnings per share: | | | | | | | | |
| (Loss) earnings per share - basic | ($0.04) | | $0.85 | $0.92 | $1.05 | $0.93 | $0.84 | ($203.39) |
| (Loss) earnings per share - diluted | ($0.06) | | $0.81 | $0.79 | $0.92 | $0.83 | $0.74 | ($203.87) |
| |
| Weighted average shares outstanding: | | | | | | | | |
| Weighted average shares outstanding - Basic | 51.4 | 51.6 | 51.7 | 49.6 | 47.3 | 45.1 | 42.7 | 32.2 |
| Weighted average shares outstanding - Diluted | 12.9 | | | | 13.5 | | | |