| In millions, except per share items | Dec-31-21 | Dec-31-20 | Dec-31-19 | Dec-31-18 | Dec-31-17 | Dec-31-16 | Dec-31-15 | Dec-31-14 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K/A | 10-K | 10-K |
| Net income | 177.6 | 184.8 | 38.3 | -4.7 | 539.8 | -40.1 | -20.9 | 22.0 |
| Depreciation and amortization [+] | 75.8 | 70.8 | 67.9 | 66.1 | 58.6 | 57.1 | 58.1 | 57.5 |
| Depreciation | 27.5 | 30.2 | 30.4 | 31.6 | 27.6 | 30.4 | 30.3 | 29.9 |
| Amortization of intangible assets | 48.3 | 40.6 | 37.5 | 34.5 | 31.0 | 26.7 | 27.8 | 27.6 |
| Asset impairment charges | | 29.3 | 29.4 | 14.1 | 12.1 | | 47.0 | |
| Stock-based compensation | 5.0 | 5.4 | 6.8 | 6.5 | 9.5 | 5.1 | 4.1 | 9.8 |
| Deferred taxes | -5.2 | -14.6 | -28.3 | 1.6 | 36.4 | -30.0 | -1.1 | -3.3 |
| Change in working capital [+] | 16.6 | 7.6 | 27.4 | 72.1 | 3.2 | -7.5 | 15.4 | -14.0 |
| Accounts receivable | -18.4 | 18.7 | 9.9 | -1.1 | -3.2 | 3.0 | 7.3 | -14.6 |
| Inventories | -13.3 | 19.5 | 7.0 | -23.0 | -3.7 | 2.4 | -14.7 | -11.4 |
| Accounts payable | 7.7 | 0.3 | -15.9 | -4.9 | 17.4 | -2.9 | 3.5 | 1.3 |
| Other | 40.6 | -30.9 | 26.4 | 101.1 | -7.3 | -10.0 | 19.3 | 10.7 |
| Other operating activities | -127.8 | -225.7 | -10.7 | 57.1 | -624.4 | 79.9 | -16.1 | -39.8 |
| Cash from operations | 142.0 | 57.6 | 130.8 | 212.8 | 35.2 | 64.5 | 86.5 | 32.2 |
| |
| Capital expenditures [+] | -18.8 | -18.3 | -21.6 | -36.1 | -30.3 | -39.9 | -41.4 | -52.3 |
| Purchases of property and equipment | -18.8 | -18.3 | -21.6 | -36.1 | -30.3 | -35.8 | -36.8 | -41.8 |
| Capitalized product costs | | | | | | -4.1 | -4.6 | -10.5 |
| Sales of property and equipment | | | | 30.7 | 0.5 | 0.4 | | |
| Acquisitions | -856.8 | -238.3 | -310.5 | | -44.6 | -28.5 | -45.5 | -61.9 |
| Other cash from investing | 224.4 | 472.7 | 1.0 | 6.5 | -15.1 | 6.6 | 0.4 | 39.5 |
| Cash from investing | -651.2 | 216.1 | -331.1 | 1.1 | -89.5 | -61.4 | -86.5 | -74.7 |
| |
| Cash dividends paid | -22.4 | -21.7 | -20.9 | -20.3 | -19.0 | -18.1 | -18.0 | |
| Repurchase of common stock, net | 10.0 | -5.3 | -15.0 | -50.0 | -11.5 | -30.4 | -85.3 | |
| Financing costs | | | | | | | | -7.3 |
| Other cash from financing | 630.6 | -140.3 | 159.7 | -182.1 | 149.0 | 70.5 | 18.1 | 169.7 |
| Cash from financing | 618.2 | -167.3 | 123.8 | -252.4 | 118.5 | 22.0 | -85.2 | 177.0 |
| |
| Free cash flow | 123.2 | 39.3 | 109.2 | 176.7 | 4.9 | 28.7 | 49.7 | -9.6 |
| Per share (diluted) | $5.92 | $1.92 | $5.25 | $8.45 | $0.22 | $1.14 | $2.00 | ($0.78) |
| |
| Cash paid for interest | 14.9 | 16.1 | 19.2 | 33.3 | 46.4 | 41.0 | 36.4 | 22.9 |
| Cash paid for income taxes | 6.4 | 67.2 | 8.8 | -77.9 | 6.2 | 19.6 | 20.4 | 50.3 |