| In millions, except per share items | Mar-31-21 | Dec-31-20 | Sep-30-20 | Jun-30-20 | Mar-31-20 | Dec-31-19 | Sep-30-19 | Jun-30-19 |
| | 10-Q | 10-Q | 10-K | 10-Q | 10-Q | 10-Q | 10-K | 10-Q |
| Net income | -36.0 | -13.0 | 57.6 | -1.2 | -91.6 | -20.6 | 83.1 | 44.5 |
| Depreciation and amortization [+] | 25.1 | 24.7 | 24.7 | 23.4 | 23.4 | 17.0 | 15.8 | 15.4 |
| Depreciation | 10.0 | 8.6 | 8.4 | 7.0 | 6.9 | 6.9 | 6.4 | 5.6 |
| Amortization | 15.0 | 16.1 | 16.4 | 16.4 | 16.5 | 10.1 | 9.4 | 9.7 |
| Stock-based compensation | 6.5 | 4.7 | 7.5 | 5.4 | 5.4 | 4.5 | 4.7 | 4.4 |
| Deferred taxes | 0.2 | -1.1 | -0.7 | -17.4 | 1.9 | 1.0 | 3.4 | -0.9 |
| Change in working capital [+] | | | -194.4 | | | | -37.8 | |
| Accounts receivable | | | -35.2 | | | | 44.5 | |
| Inventories | | | -19.7 | | | | -31.5 | |
| Income taxes | | | -9.0 | | | | -27.3 | |
| Other | | | -130.5 | | | | -23.5 | |
| Other operating activities | -32.1 | -37.4 | 200.3 | -39.5 | 34.3 | -49.4 | -18.4 | -62.2 |
| Cash from operations | -36.4 | -22.2 | 95.1 | -29.2 | -26.6 | -47.6 | 50.8 | 1.1 |
| |
| Capital expenditures [+] | -13.4 | -6.7 | -13.4 | -10.5 | -13.5 | -11.8 | -13.8 | -13.1 |
| Purchases of property and equipment | -13.4 | -6.7 | -13.4 | -10.5 | -13.5 | -11.8 | -13.8 | -13.1 |
| Sales of property and equipment | | | | | | | | 44.9 |
| Acquisitions | | | | -0.3 | -234.5 | | 1.9 | |
| Other cash from investing | -0.8 | 1.8 | -1.2 | | | 5.5 | -7.7 | -53.0 |
| Cash from investing | -14.2 | -4.8 | -14.6 | -10.7 | -248.0 | -6.3 | -19.5 | -21.2 |
| |
| Cash dividends paid | -4.3 | | -4.2 | | -4.2 | | -4.2 | |
| Repurchase of common stock, net | -1.0 | -3.0 | 0.0 | | 0.0 | -3.6 | -0.3 | |
| Financing costs | | | | 2.5 | -2.5 | | | |
| Other cash from financing | 82.4 | 11.7 | -57.3 | 15.0 | 342.8 | 52.4 | -19.5 | 39.8 |
| Cash from financing | 77.1 | 8.7 | -61.6 | 12.5 | 341.1 | 48.7 | -23.9 | 39.8 |
| |
| Free cash flow | -49.8 | -28.8 | 81.6 | -39.7 | -40.0 | -59.4 | 37.0 | -12.1 |
| Per share (diluted) | ($1.58) | ($0.91) | $2.61 | ($1.27) | ($1.28) | ($1.90) | $1.21 | ($0.39) |