| In millions, except per share items | Dec-31-21 | Dec-31-20 | Dec-31-19 | Dec-31-18 | Dec-31-17 | Dec-31-15 | Dec-31-14 | Dec-31-13 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K |
| Net income | -48.5 | -23.0 | 8.2 | -54.7 | -85.5 | -2.9 | 21.5 | -18.8 |
| Depreciation and amortization [+] | 7.4 | 8.2 | 8.8 | 10.2 | 9.5 | 9.3 | 4.6 | 1.6 |
| Depreciation | 4.9 | 5.1 | 5.2 | 5.2 | 4.6 | 4.0 | 2.5 | 1.5 |
| Amortization of intangible assets | 2.5 | 3.1 | 3.6 | 5.0 | 4.8 | 5.3 | 2.1 | 0.0 |
| Asset impairment charges | | | | 2.2 | 0.0 | 11.7 | 2.2 | |
| Stock-based compensation | 0.4 | 0.6 | 1.2 | 2.7 | 0.5 | 1.5 | 1.5 | 1.3 |
| Deferred taxes | 0.0 | -1.5 | 0.5 | -0.1 | 0.2 | -9.1 | -1.6 | -0.5 |
| Change in working capital [+] | -24.6 | 6.2 | -2.9 | 19.5 | 8.8 | -27.4 | -34.3 | -25.3 |
| Accounts receivable | -5.0 | 44.6 | -18.1 | -17.9 | -8.4 | 10.6 | -30.7 | -5.4 |
| Inventories | -34.8 | -0.4 | -4.0 | -26.2 | 13.4 | -47.5 | -44.2 | -16.7 |
| Other current assets | -0.1 | 4.0 | 17.1 | -0.8 | -2.3 | 2.1 | -3.2 | -1.8 |
| Accounts payable | 62.1 | -44.2 | -9.5 | 34.0 | -1.2 | 5.9 | 37.6 | -3.7 |
| Accrued expenses | -42.8 | 11.1 | 13.9 | 11.6 | 7.8 | 1.1 | 5.1 | 2.8 |
| Income taxes | 12.4 | 6.3 | -2.7 | 12.9 | 6.5 | -7.7 | 1.3 | -0.4 |
| Other | -16.4 | -15.3 | 0.3 | 5.9 | -7.1 | 8.1 | -0.2 | 0.0 |
| Other operating activities | 3.8 | 1.9 | 2.3 | 14.0 | 58.8 | -6.0 | -8.9 | |
| Cash from operations | -61.5 | -7.6 | 18.2 | -6.2 | -7.7 | -22.8 | -15.1 | -12.4 |
| |
| Capital expenditures | -2.0 | -2.4 | -3.7 | -3.6 | -5.1 | -8.4 | -8.2 | -6.0 |
| Purchases of property and equipment | -2.0 | -2.4 | -3.7 | -3.6 | -5.1 | -8.4 | -8.2 | -6.0 |
| Acquisitions | | | | | | -34.2 | -44.1 | |
| Other cash from investing | 2.4 | 1.0 | 0.0 | -6.6 | -0.1 | -1.2 | 0.0 | |
| Cash from investing | 0.4 | -1.4 | -3.7 | -10.2 | -5.2 | -43.8 | -52.3 | -6.5 |
| |
| Issuance of common stock, net | | | | | | | | 36.8 |
| Financing costs | -3.2 | -2.0 | -0.7 | | | -1.5 | -0.2 | |
| Other cash from financing | 43.4 | 31.3 | -15.2 | 16.5 | 10.6 | 67.0 | 67.5 | |
| Cash from financing | 46.5 | 33.3 | -14.6 | 16.5 | 10.6 | 68.5 | 67.7 | 24.7 |
| |
| Free cash flow | -63.4 | -10.0 | 14.5 | -9.8 | -12.8 | -31.2 | -23.3 | -18.4 |
| Per share (diluted) | ($2.77) | ($0.44) | $0.67 | ($0.53) | ($0.93) | ($2.84) | ($2.09) | ($1.89) |
| |
| Cash paid for interest | | | | | | | | 0.7 |
| Cash paid for income taxes | 0.1 | 0.2 | 0.3 | 0.2 | 6.3 | | | 4.9 |