| 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 |
| Net income | 20.6 | 8.1 | 18.0 | 18.2 | 24.9 | 19.4 | 17.7 | 26.8 |
| Depreciation and amortization [+] | 28.9 | 27.3 | 28.2 | 27.3 | 25.1 | 25.6 | 26.0 | 27.5 |
| Depreciation | 19.8 | 19.1 | 19.4 | 18.3 | 18.1 | 18.4 | 19.0 | 20.3 |
| Amortization | 9.1 | 8.2 | 8.8 | 8.9 | 7.0 | 7.1 | 7.0 | 7.1 |
| Stock-based compensation | 7.5 | 5.9 | 6.8 | 7.5 | 7.7 | 6.1 | 6.3 | 5.6 |
| Deferred taxes | -3.7 | -0.6 | -1.4 | -3.9 | -4.6 | 0.4 | -6.6 | -0.7 |
| Change in working capital [+] | 50.1 | 19.8 | -7.7 | -45.6 | 4.5 | -1.6 | -5.5 | -11.5 |
| Accounts receivable | 49.1 | -13.3 | -21.3 | -21.9 | 15.4 | 22.9 | -50.5 | -19.5 |
| Other current assets | -7.7 | -8.1 | 1.1 | -1.4 | 7.4 | -13.2 | -0.3 | 6.5 |
| Deferred revenues | -24.3 | 40.2 | 26.3 | -21.2 | -17.9 | -25.1 | 44.8 | -12.8 |
| Income taxes | -3.9 | 5.4 | -2.2 | 4.6 | -11.2 | 0.3 | 4.5 | 8.6 |
| Other | 37.0 | -4.5 | -11.8 | -5.7 | 10.9 | 13.6 | -4.1 | 5.7 |
| Other operating activities | 9.3 | 6.8 | 13.6 | 1.7 | 9.6 | 8.7 | 4.1 | 1.8 |
| Cash from operations | 112.7 | 67.3 | 57.5 | 5.2 | 67.2 | 58.6 | 42.0 | 49.5 |
| |
| Capital expenditures [+] | -20.8 | -19.3 | -22.3 | -22.0 | -14.6 | -11.6 | -16.1 | -13.4 |
| Purchases of property and equipment | -20.8 | -19.3 | -22.3 | -22.0 | -14.6 | -11.6 | -16.1 | -13.4 |
| Sales of property and equipment | 0.0 | | 0.1 | 3.5 | 6.9 | | 0.0 | 0.4 |
| Acquisitions | -30.8 | -0.1 | -1.0 | -206.1 | -3.1 | -0.1 | -35.0 | -9.8 |
| Purchases of short-term investments | -2.7 | -6.2 | -11.3 | -6.8 | -3.9 | -3.2 | -9.9 | -9.4 |
| Purchases of short-term investments | -2.7 | -6.2 | -11.3 | -6.8 | -3.9 | -3.2 | -9.9 | -9.4 |
| Other cash from investing | 3.8 | 7.5 | 7.4 | 3.7 | 0.8 | 5.6 | 6.4 | 7.2 |
| Cash from investing | -50.5 | -18.2 | -27.1 | -227.8 | -13.8 | -9.4 | -54.7 | -25.1 |
| |
| Repurchase of common stock, net | | | | -110.0 | -32.6 | -39.9 | -111.6 | -31.8 |
| Option exercises | 3.1 | 4.3 | 1.8 | 0.9 | 1.7 | 8.8 | 5.7 | 3.6 |
| Other cash from financing | -42.4 | -36.7 | -30.1 | 110.4 | -2.5 | -3.4 | -24.6 | 4.1 |
| Cash from financing | -45.5 | -41.0 | -31.9 | -0.4 | -36.9 | -52.1 | -141.9 | -31.4 |
| |
| Free cash flow | 91.9 | 48.0 | 35.2 | -16.8 | 52.6 | 47.0 | 25.9 | 36.1 |
| Per share (diluted) | $1.59 | $0.83 | $0.60 | ($0.29) | $0.89 | $0.79 | $0.42 | $0.59 |
| |
| Cash paid for interest | 18.3 | 17.8 | 15.9 | 11.5 | 7.3 | 6.2 | 7.0 | 8.4 |