| In millions, except per share items | Jun-30-23 | Dec-31-22 | Sep-30-22 | Jun-30-22 | Mar-31-22 | Dec-31-21 | Sep-30-21 | Jun-30-21 |
| | 10-Q | 8-K | 10-Q | 10-Q | 10-Q | 10-K | 10-Q | 10-Q |
| Total net revenues | 292.6 | | 267.0 | 227.9 | 196.9 | 192.3 | 193.4 | 202.0 |
| Total net revenues growth | 28.4% | | 38.1% | 12.8% | 33.9% | 158.4% | 43.1% | 53191.3% |
| Operating expenses: | | | | | | | | |
| Cost of revenue (exclusive of depreciation and amortization expense shown below) | 202.3 | | 185.9 | 154.7 | | | 129.7 | 135.8 |
| Cost of manufacturing goods sold | 2.2 | | 1.7 | 0.8 | | | | |
| General and administrative | 44.2 | | 39.8 | 32.7 | 31.1 | 32.2 | 28.1 | 26.1 |
| Depreciation and amortization of property and equipment | 9.4 | | 8.1 | 6.6 | 5.8 | 5.8 | 6.5 | 6.3 |
| Amortization of intangible assets and route and customer acquisition costs | 5.3 | | 5.2 | 3.6 | | | 6.2 | |
| Other expenses, net | 0.1 | | 3.1 | 2.2 | 2.6 | 4.1 | 4.2 | 2.7 |
| Total operating expenses | 263.5 | | 243.7 | 200.6 | 175.7 | 175.3 | 174.7 | 177.0 |
| Operating income | 29.2 | | 23.2 | 27.3 | 21.2 | 17.1 | 18.6 | 24.9 |
| Operating margin | 10.0% | | 8.7% | 12.0% | 10.8% | 8.9% | 9.6% | 12.3% |
| Interest expense, net | 8.2 | | 6.2 | 3.8 | 4.0 | 3.0 | 3.0 | 3.4 |
| Loss (gain) on change in fair value of contingent earnout shares | 4.8 | | | -5.7 | | | | |
| Income before income tax expense | 16.1 | | 27.4 | 29.2 | 20.6 | 10.1 | 14.7 | 18.4 |
| Income tax expense | 6.1 | | 4.9 | 6.8 | 4.8 | 3.2 | 3.9 | 5.9 |
| Net income | 10.0 | | 22.4 | 22.5 | 15.8 | 6.8 | 10.8 | 12.4 |
| |
| Earnings per common share: | | | | | | | | |
| Basic (in usd per share) | $0.12 | | $0.25 | $0.24 | $0.17 | $0.08 | $0.11 | $0.13 |
| Diluted (in usd per share) | $0.11 | | $0.25 | $0.24 | $0.17 | $0.07 | $0.11 | $0.13 |
| |
| Weighted average number of shares outstanding: | | | | | | | | |
| Basic (in shares) | 86.2 | | 90.0 | 92.3 | 93.0 | 93.8 | 94.0 | 93.6 |
| Diluted (in shares) | 86.8 | | 90.5 | 93.0 | 93.7 | 94.6 | 94.7 | 94.7 |
| |
| Comprehensive income | | | | | | | | |
| Net income | 10.0 | | 22.4 | 22.5 | 15.8 | 6.8 | 10.8 | 12.4 |
| Unrealized gain | 2.1 | | | 1.9 | | | | |
| Comprehensive income | 12.0 | | 28.4 | 24.4 | 20.7 | 1.4 | 10.5 | 17.6 |