| 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 | -195.8 | -168.5 | -148.7 | -131.8 | -139.2 | -142.3 | -112.3 | |
| Depreciation and amortization | 38.7 | 33.7 | 29.0 | 24.6 | 20.7 | 17.9 | 15.6 | |
| Stock-based compensation | 101.7 | 96.6 | 104.8 | 110.6 | 122.8 | 133.3 | 109.5 | |
| Change in working capital [+] | -77.8 | -76.1 | -79.6 | -65.7 | -68.4 | -63.6 | -68.4 | |
| Accounts receivable | -34.9 | -30.4 | -30.4 | -27.1 | -30.2 | -16.9 | -43.3 | |
| Other current assets | -4.4 | 1.0 | 4.1 | 1.8 | 1.4 | -8.7 | -6.2 | |
| Accounts payable | 12.7 | 10.2 | 5.6 | 6.1 | -2.6 | -1.4 | 2.1 | |
| Accrued expenses | 20.8 | 10.4 | 4.3 | 4.1 | 9.0 | 4.8 | 20.3 | |
| Other | -72.0 | -67.4 | -63.1 | -50.7 | -46.0 | -41.4 | -41.3 | |
| Other operating activities | 114.4 | 107.3 | 96.1 | 70.6 | 68.9 | 58.0 | 54.0 | |
| Cash from operations | -18.8 | -7.1 | 1.7 | 8.3 | 4.7 | 3.3 | -1.6 | |
| |
| Capital expenditures | -23.9 | -21.9 | -20.8 | -22.6 | -26.5 | -25.5 | -22.0 | |
| Purchases of property and equipment | -23.9 | -21.9 | -20.8 | -22.6 | -26.5 | -25.5 | -22.0 | |
| Acquisitions | | -362.2 | | -224.9 | -137.4 | -101.7 | -76.5 | |
| Purchases of short-term investments, net | -130.2 | -194.6 | -137.4 | -136.4 | -68.2 | 6.5 | -116.0 | |
| Purchases of short-term investments | -409.4 | -427.9 | -394.8 | -400.5 | -245.5 | -136.4 | -182.4 | |
| Sales of short-term investments | 279.2 | 233.3 | 257.3 | 264.1 | 177.3 | 142.9 | 66.4 | |
| Cash from investing | -461.1 | -578.7 | -381.9 | -383.9 | -233.6 | -122.3 | -216.1 | |
| |
| Issuance of common stock, net | | | | | | | 319.6 | |
| Option exercises | 52.4 | 75.0 | 78.6 | 75.3 | 62.0 | 47.9 | 34.0 | |
| Other cash from financing | 563.1 | 599.0 | 660.0 | 652.3 | 153.1 | 128.0 | 114.1 | |
| Cash from financing | 510.7 | 524.0 | 581.4 | 576.6 | 90.2 | 399.6 | 399.7 | |
| |
| Free cash flow | -42.7 | -29.1 | -19.2 | -14.3 | -21.8 | -22.3 | -23.6 | |
| Per share (diluted) | ($0.28) | ($0.20) | ($0.13) | ($0.11) | ($0.18) | ($0.23) | ($0.33) | |
| |
| Cash paid for interest | 1.3 | 1.6 | 1.2 | 1.1 | 1.0 | 0.7 | 0.6 | |