| 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 | 99.6 | 66.5 | 59.3 | 17.2 | 52.0 | 52.0 | 69.7 | 66.9 |
| Depreciation and amortization | | 20.6 | 21.1 | 21.2 | 21.4 | 21.1 | 20.6 | 21.0 |
| Deferred taxes | | -8.9 | -12.1 | 2.0 | | 6.7 | 2.5 | 7.6 |
| Change in working capital [+] | | -15.8 | -2.1 | -108.5 | | -5.2 | -2.6 | -46.9 |
| Accounts receivable | | | | -54.0 | | | | 2.6 |
| Inventories | | | | -96.2 | | | | -33.1 |
| Other current assets | | -13.1 | | -2.7 | | | | -6.1 |
| Income taxes | | | | | | | | -6.9 |
| Other | | -2.8 | -2.1 | 44.4 | | -5.2 | -2.6 | -3.4 |
| Other operating activities | | -44.8 | -59.4 | 88.4 | -32.4 | -19.8 | -40.9 | 19.4 |
| Cash from operations | 99.6 | 17.6 | 6.8 | 20.3 | 41.0 | 54.7 | 49.4 | 67.8 |
| |
| Capital expenditures | 0.0 | -15.2 | -12.6 | -143.0 | 19.6 | -64.9 | -20.5 | -153.4 |
| Purchases of property and equipment | | -15.2 | -12.6 | -143.0 | 19.6 | -64.9 | -20.5 | -153.4 |
| Purchases of short-term investments | | | -0.8 | -784.9 | 3.8 | -387.7 | | |
| Purchases of short-term investments | | | -0.8 | -784.9 | 3.8 | -387.7 | | |
| Other cash from investing | | | 372.8 | 912.0 | -46.8 | 50.9 | | 120.3 |
| Cash from investing | 0.0 | -15.2 | 359.4 | -15.9 | -23.4 | -401.6 | -20.5 | -33.2 |
| |
| Cash dividends paid | | -21.3 | -21.6 | -150.0 | 22.6 | -62.3 | -20.8 | -146.1 |
| Repurchase of common stock, net | | -53.4 | -37.3 | -104.5 | -91.7 | | | |
| Financing costs | | | | -3.9 | | -3.9 | -2.9 | -1.3 |
| Other cash from financing | | 68.9 | -306.9 | 270.0 | -41.2 | 35.0 | 387.3 | 113.5 |
| Cash from financing | 0.0 | -5.8 | -365.8 | 19.4 | -110.3 | -23.4 | 369.4 | -31.3 |
| |
| Free cash flow | 99.6 | 2.4 | -5.8 | -122.6 | 60.6 | -10.2 | 28.8 | -85.6 |
| Per share (diluted) | $10.40 | $0.24 | ($0.57) | ($11.40) | $5.60 | ($0.94) | $2.65 | ($7.81) |