| In millions, except per share items | Jan-31-23 | Jan-31-22 | Jan-31-21 | Jan-31-20 | Jan-31-19 | Jan-05-19 | Jan-31-18 | Jan-31-17 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 8-K | 10-K | 10-K |
| Revenue | 400.9 | 390.6 | 354.7 | 298.8 | 228.3 | 228.3 | 170.2 | 124.3 |
| Revenue growth | 2.6% | 10.1% | 18.7% | 30.9% | 34.1% | | 37.0% | 38.5% |
| Cost of revenue | 104.0 | 98.3 | 86.4 | 77.0 | 57.4 | 57.4 | 44.1 | 37.0 |
| Gross profit | 296.9 | 292.3 | 268.3 | 221.8 | 170.9 | 170.9 | 126.1 | 87.3 |
| Gross margin | 74.1% | 74.8% | 75.6% | 74.2% | 74.9% | 74.9% | 74.1% | 70.3% |
| |
| Operating expenses: | | | | | | | | |
| Sales and marketing | 211.5 | 230.5 | 228.4 | 218.1 | 158.8 | 158.8 | 127.0 | 81.5 |
| Research and development | 70.9 | 68.4 | 58.1 | 49.4 | 36.1 | 36.1 | 25.7 | 19.3 |
| General and administrative | 79.3 | 83.4 | 76.0 | 77.2 | 51.6 | 51.6 | 40.1 | 29.2 |
| Total operating expenses | 361.7 | 382.2 | 362.6 | 344.8 | 246.5 | 246.5 | 192.7 | 130.0 |
| Loss from operations | -64.8 | -90.0 | -94.3 | -123.0 | -75.6 | -75.6 | -66.6 | -42.7 |
| Operating margin | -16.2% | -23.0% | -26.6% | -41.1% | -33.1% | -33.1% | -39.2% | -34.4% |
| Interest income | 1.7 | 0.0 | 0.5 | 4.1 | 1.7 | 1.7 | 1.1 | 0.0 |
| Interest expense | 1.1 | -0.5 | -0.6 | 3.8 | 1.6 | 1.6 | 0.8 | -0.2 |
| Other (expense) income, net | -0.1 | -1.5 | -0.2 | -1.3 | -0.5 | | -0.5 | |
| Loss from operations before income taxes | -63.9 | -92.0 | -94.6 | -120.4 | -74.6 | | -66.4 | -43.1 |
| (Provision for) benefit from income taxes | -2.1 | -1.3 | -0.1 | -1.1 | -0.2 | -0.2 | -0.2 | -0.1 |
| Net loss | -65.9 | -93.3 | -94.7 | -121.5 | -74.8 | -74.8 | -66.6 | -43.2 |
| |
| Net loss per share attributable to common stockholders, basic | ($0.53) | ($0.73) | ($0.79) | ($1.09) | ($0.76) | ($0.76) | ($0.85) | ($1.39) |
| Net loss per share attributable to common stockholders, diluted | ($0.53) | ($0.73) | ($0.79) | ($1.09) | ($0.76) | ($0.76) | ($0.85) | ($1.39) |
| |
| Weighted-average number of shares used in computing net loss per share attributable to common stockholders, basic | 125.3 | 127.8 | 119.7 | 111.8 | 98.4 | 98.4 | 78.6 | 31.1 |
| Weighted-average number of shares used in computing net loss per share attributable to common stockholders, diluted | 125.3 | 127.8 | 119.7 | 111.8 | | | | |
| |
| Other comprehensive income (loss): | | | | | | | | |
| Foreign currency translation adjustment | -3.4 | -2.6 | 2.8 | 1.2 | -0.1 | | 0.5 | -0.5 |
| Unrealized loss on marketable securities, net | 0.0 | | | -0.1 | 0.3 | | -0.3 | |
| Total comprehensive loss | -69.4 | -95.9 | -91.9 | -120.5 | -74.6 | -74.6 | -66.4 | -43.7 |