| In millions, except per share items | Jun-30-22 | Mar-31-22 | Dec-31-21 | Sep-30-21 | Jun-30-21 | Mar-31-21 | Dec-31-20 | Sep-30-20 |
| | 10-Q | 10-Q | 10-K | 10-Q | 10-Q | 10-Q | 10-K | 10-Q |
| Net income | 29.8 | 32.5 | 45.9 | 71.5 | 89.6 | 103.1 | 98.7 | 89.8 |
| Depreciation and amortization | | 15.2 | 14.7 | 14.5 | 14.4 | 14.3 | 14.3 | 14.3 |
| Stock-based compensation | | 9.0 | 8.8 | 8.9 | 8.5 | 8.2 | 7.9 | 7.3 |
| Deferred taxes | | | 3.1 | 2.6 | | | -5.9 | -9.1 |
| Change in working capital [+] | | -86.4 | -64.2 | -26.1 | 35.9 | 79.4 | 94.5 | 39.8 |
| Accounts receivable | | -66.3 | -37.2 | -17.6 | 20.5 | 57.7 | 46.2 | 17.5 |
| Inventories | | 4.4 | 5.6 | 6.0 | 5.7 | 7.8 | 4.9 | 6.2 |
| Other current assets | | 5.1 | -12.3 | -20.6 | -16.8 | -16.0 | -0.8 | -0.7 |
| Income taxes | | | | -7.9 | -0.7 | | | 21.5 |
| Other | | -21.7 | -12.5 | 14.0 | 27.3 | 15.0 | 26.8 | -4.7 |
| Other operating activities | 37.9 | 30.1 | 28.9 | 10.0 | 7.2 | 8.9 | 7.7 | 12.7 |
| Cash from operations | -0.6 | 3.4 | 37.1 | 81.4 | 153.7 | 208.0 | 217.2 | 154.9 |
| |
| Capital expenditures [+] | -5.0 | -6.2 | -5.7 | -5.5 | -4.6 | -4.4 | -4.3 | -4.1 |
| Purchases of property and equipment | | -6.2 | -5.7 | -5.5 | -4.6 | -4.4 | -4.3 | -4.1 |
| Sales of property and equipment | | 0.3 | 0.2 | 0.0 | 0.1 | 0.2 | 0.3 | 0.5 |
| Acquisitions | | -24.0 | -23.9 | | -6.0 | | | |
| Purchases of short-term investments, net | | 9.3 | 6.4 | -34.8 | -34.7 | -34.8 | -32.8 | -13.6 |
| Purchases of short-term investments | | -14.0 | -20.3 | -47.5 | -47.2 | -44.3 | -39.0 | -23.2 |
| Sales of short-term investments | | 23.2 | 26.7 | 12.7 | 12.5 | 9.5 | 6.3 | 9.6 |
| Cash from investing | -13.2 | -20.7 | -23.0 | -46.3 | -45.3 | -39.0 | -36.8 | -17.1 |
| |
| Cash dividends paid | | -62.5 | -62.2 | -62.0 | -61.6 | -61.1 | -60.7 | -60.3 |
| Repurchase of common stock, net | | -21.4 | -21.4 | -5.3 | -1.7 | 0.1 | 0.1 | 0.1 |
| Option exercises | | 1.4 | 2.4 | 3.3 | 2.9 | 2.7 | 2.9 | 2.4 |
| Other cash from financing | | 11.7 | 3.4 | 5.1 | 4.3 | -46.2 | -4.8 | -6.0 |
| Cash from financing | -56.5 | -73.5 | -82.7 | -65.4 | -61.9 | -109.9 | -68.4 | -68.5 |
| |
| Free cash flow | -5.7 | -2.8 | 31.4 | 75.9 | 149.1 | 203.6 | 212.9 | 150.9 |
| Per share (diluted) | ($0.08) | ($0.04) | $0.42 | $1.01 | $1.99 | $2.72 | $2.85 | $2.02 |
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