| In millions, except per share items | Jun-30-23 | Jun-30-22 | Mar-31-22 | Dec-31-21 | Sep-30-21 | Jun-30-21 | Mar-31-21 | Dec-31-20 |
| | 10-Q | 10-Q | 10-Q | 10-K | 10-Q | 10-Q | 10-Q | 10-K |
| Net income | 172.8 | 192.6 | 113.3 | 78.9 | 140.9 | 144.1 | 55.1 | 46.0 |
| Depreciation and amortization | | 7.8 | 7.6 | 7.3 | 7.0 | 7.0 | 6.9 | 6.6 |
| Stock-based compensation | | 7.0 | 8.0 | 6.7 | 6.3 | 6.5 | 5.9 | 6.3 |
| Deferred taxes | | 4.1 | | 2.0 | 1.9 | 2.1 | | -3.1 |
| Change in working capital [+] | | -65.9 | -257.7 | -86.3 | 68.8 | -58.0 | -115.8 | 90.8 |
| Accounts receivable | | -197.7 | -91.8 | 67.6 | 85.1 | -222.0 | -61.1 | 109.5 |
| Inventories | | -92.7 | -273.7 | -73.0 | 2.9 | 31.1 | -204.6 | 105.5 |
| Accounts payable | | | | -263.8 | -19.1 | | | -158.1 |
| Other | | 224.5 | 107.8 | 182.8 | | 132.9 | 149.9 | 33.9 |
| Other operating activities | 25.4 | 29.2 | 27.2 | 21.4 | 12.9 | 18.0 | 10.1 | 15.1 |
| Cash from operations | 198.2 | 174.7 | -101.6 | 29.9 | 237.8 | 119.6 | -37.7 | 161.6 |
| |
| Capital expenditures [+] | 0.0 | -10.6 | -8.3 | -8.7 | -5.8 | -6.2 | -4.8 | -4.8 |
| Purchases of property and equipment | | -10.6 | -8.3 | -8.7 | -5.8 | -6.2 | -4.8 | -4.8 |
| Sales of property and equipment | | 0.0 | 0.2 | 1.2 | 0.0 | 0.1 | 0.1 | 0.0 |
| Acquisitions | | | 0.0 | | -2.9 | -126.5 | | |
| Other cash from investing | | | | -1.0 | | | 6.0 | |
| Cash from investing | 0.0 | -10.7 | -8.2 | -8.4 | -8.7 | -132.7 | 1.2 | -4.8 |
| |
| Cash dividends paid | | -85.7 | -75.8 | -75.1 | -75.5 | -75.4 | -68.5 | -68.3 |
| Issuance of common stock, net | | -4.4 | 4.4 | 9.8 | 2.5 | 4.8 | 3.9 | 6.1 |
| Financing costs | | | | | 0.0 | | | 0.0 |
| Other cash from financing | | -53.6 | 172.8 | 24.5 | -113.9 | 85.8 | 48.4 | -43.5 |
| Cash from financing | 0.0 | -143.7 | 101.4 | -40.7 | -186.9 | 15.3 | -16.3 | -105.7 |
| |
| Free cash flow | 198.2 | 164.1 | -109.9 | 21.2 | 232.0 | 113.4 | -42.6 | 156.8 |
| Per share (diluted) | $5.07 | $4.20 | ($2.81) | $0.55 | $5.96 | $2.92 | ($1.07) | $4.08 |