| In millions, except per share items | Jul-31-21 | Apr-30-21 | Jan-31-21 | Oct-31-20 | Jul-31-20 | Apr-30-20 | Jan-31-20 | Jan-05-20 |
| | 10-Q | 10-Q | 10-K | 10-Q | 10-Q | 10-Q | 10-K | 8-K |
| Net income | -62.5 | -52.4 | -48.8 | -32.2 | -35.2 | -32.5 | -31.9 | -31.9 |
| Depreciation and amortization | 11.3 | 10.1 | 9.3 | 8.0 | 6.3 | 5.5 | 4.8 | |
| Stock-based compensation | 29.7 | 23.6 | 23.4 | 25.0 | 24.6 | 31.8 | 29.2 | |
| Change in working capital [+] | -17.2 | 52.2 | -102.0 | -10.8 | -15.5 | 48.8 | -88.1 | |
| Accounts receivable | -22.9 | 81.7 | -83.2 | -10.5 | -18.4 | 81.7 | -79.9 | |
| Other current assets | -1.8 | -6.4 | 1.9 | 2.0 | 3.6 | -3.4 | -0.3 | |
| Accounts payable | 2.3 | 1.9 | -1.1 | 9.6 | -0.2 | -2.7 | -0.6 | |
| Accrued expenses | 23.2 | -13.7 | 10.1 | 1.2 | 12.8 | -19.8 | 9.9 | |
| Other | -18.0 | -11.3 | -29.7 | -13.1 | -13.3 | -7.0 | -17.2 | |
| Other operating activities | 7.5 | -19.2 | 131.0 | -4.9 | 0.4 | -30.4 | 105.5 | |
| Cash from operations | -31.1 | 14.3 | 12.8 | -14.9 | -19.4 | 23.1 | 19.5 | |
| |
| Capital expenditures | -6.4 | -6.5 | -6.0 | -5.1 | -4.4 | -5.4 | -7.8 | |
| Purchases of property and equipment | -6.4 | -6.5 | -6.0 | -5.1 | -4.4 | -5.4 | -7.8 | |
| Acquisitions | | -163.8 | | -143.3 | -55.2 | -25.2 | -1.3 | |
| Purchases of short-term investments, net | 5.5 | -2.9 | -95.1 | -37.8 | -58.9 | 54.3 | -94.0 | |
| Purchases of short-term investments | -97.9 | -55.9 | -100.6 | -155.0 | -116.4 | -22.7 | -106.3 | |
| Sales of short-term investments | 103.4 | 53.0 | 5.5 | 117.3 | 57.6 | 77.0 | 12.2 | |
| Cash from investing | -0.9 | -173.1 | -101.0 | -186.1 | -118.5 | 23.7 | -103.1 | |
| |
| Repurchase of common stock, net | | | | | | | -0.4 | |
| Option exercises | -0.7 | 15.5 | 20.9 | 16.7 | 21.9 | 19.2 | 17.6 | |
| Other cash from financing | 4.6 | 29.6 | 39.4 | 489.5 | 40.5 | 90.6 | 31.8 | |
| Cash from financing | 5.3 | 14.0 | 18.6 | 472.8 | 18.6 | 71.4 | 13.8 | |
| |
| Free cash flow | -37.5 | 7.8 | 6.9 | -19.9 | -23.8 | 17.7 | 11.7 | |
| Per share (diluted) | ($0.24) | $0.05 | $0.05 | ($0.13) | ($0.17) | $0.13 | $0.14 | |
| |
| Cash paid for interest | 0.2 | 0.5 | 0.2 | 0.3 | 0.5 | 0.2 | 0.2 | |