| In millions, except per share items | Dec-31-18 | Dec-31-17 | Dec-31-16 | Dec-31-15 | Dec-31-14 | Dec-31-13 | Dec-31-12 | Dec-31-11 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K |
| Net income | -5.8 | -5.1 | -15.9 | -9.5 | -23.6 | -18.3 | -207.3 | -1.3 |
| Depreciation and amortization [+] | 0.7 | 0.7 | 1.7 | 1.9 | 2.1 | 2.0 | 19.7 | 16.6 |
| Depreciation | 0.7 | 0.7 | 1.7 | 1.9 | 2.1 | 2.0 | 11.3 | 8.2 |
| Amortization of intangible assets | | | | | | | 8.4 | 8.4 |
| Asset impairment charges | 0.8 | -0.1 | 1.7 | | 1.2 | | 218.0 | 63.9 |
| Stock-based compensation | 0.2 | 0.5 | 0.5 | 0.7 | 2.4 | 1.9 | 3.5 | 4.4 |
| Deferred taxes | -0.4 | 0.3 | | | 14.9 | -1.8 | -60.2 | -4.7 |
| Change in working capital [+] | -0.6 | 6.2 | 12.9 | 2.7 | 0.6 | -3.6 | 32.7 | -1.2 |
| Accounts receivable | -1.9 | 3.1 | 3.4 | -4.8 | -8.2 | -1.3 | 8.7 | 13.5 |
| Inventories | -0.7 | 0.9 | 2.8 | 3.2 | -0.1 | 0.1 | 20.2 | 2.7 |
| Other current assets | 0.9 | 2.7 | -3.7 | -0.9 | -0.6 | 0.0 | 4.1 | 4.1 |
| Accounts payable | 1.3 | -0.4 | -0.6 | -0.1 | 0.2 | -0.3 | -1.8 | -12.4 |
| Accrued expenses | -0.1 | 0.0 | 0.8 | 0.3 | -1.8 | -2.1 | -1.4 | -0.1 |
| Income taxes | 0.0 | -0.1 | 0.0 | -0.4 | -0.9 | -0.1 | 2.7 | -6.2 |
| Other | | | 10.2 | 5.4 | 11.9 | | | -2.8 |
| Other operating activities | 0.4 | -0.5 | 3.5 | -2.4 | -11.9 | | 27.6 | -31.0 |
| Cash from operations | -4.6 | 2.0 | 4.5 | -6.5 | -14.4 | -22.8 | 33.9 | 46.8 |
| |
| Capital expenditures [+] | -4.0 | -1.2 | -0.3 | -2.4 | -3.1 | -2.2 | -10.7 | -21.5 |
| Purchases of property and equipment | -4.0 | -1.2 | -0.3 | -2.4 | -3.1 | -2.2 | -10.7 | -21.5 |
| Sales of property and equipment | 0.6 | 0.3 | 0.1 | 0.6 | 6.8 | 0.2 | | 0.0 |
| Other cash from investing | | | | | | | | 274.4 |
| Cash from investing | -3.4 | -0.9 | -0.2 | -1.8 | 3.7 | -2.1 | -10.7 | 252.9 |
| |
| Cash dividends paid | | | | 0.0 | -22.6 | | | |
| Repurchase of common stock, net | | | | | -2.4 | | | -0.1 |
| Option exercises | | | | 0.0 | 0.0 | 0.0 | 0.0 | 0.6 |
| Financing costs | | | | | | | 0.0 | -1.3 |
| Other cash from financing | -0.1 | 0.0 | 0.0 | 0.6 | | | 0.0 | -239.9 |
| Cash from financing | -0.1 | 0.0 | 0.0 | 0.6 | -30.4 | 0.0 | 0.0 | -239.2 |
| |
| Free cash flow | -8.6 | 0.8 | 4.1 | -8.9 | -17.6 | -25.0 | 23.2 | 25.3 |
| Per share (diluted) | ($0.44) | $0.04 | $0.23 | ($0.49) | ($1.61) | ($1.80) | $1.68 | $0.62 |
| |
| Cash paid for interest | 0.0 | 0.0 | 0.0 | 0.0 | | | | 6.7 |
| Cash paid for income taxes | | | -8.3 | 0.9 | -11.9 | -0.7 | 2.5 | 114.5 |