| 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 | -108.3 | -126.7 | -52.9 | -23.0 | -4.0 | -25.8 | 45.7 | -30.4 |
| Depreciation and amortization [+] | 26.8 | 27.1 | 2.4 | 0.6 | 0.9 | 1.0 | 1.3 | 1.4 |
| Depreciation | 1.7 | 2.1 | 0.3 | 0.6 | 0.9 | 1.0 | 1.3 | 1.4 |
| Amortization of intangible assets | 25.1 | 25.1 | 2.1 | | | | | |
| Asset impairment charges | 2.1 | 18.8 | | | | 0.2 | | |
| Stock-based compensation | 3.1 | 4.5 | 0.8 | 2.3 | 1.5 | 0.6 | 5.8 | 3.0 |
| Deferred taxes | 0.9 | 0.1 | -0.2 | 0.0 | -0.2 | 0.7 | 1.8 | 3.7 |
| Change in working capital [+] | -7.5 | -11.0 | 13.6 | 3.4 | 0.4 | -1.6 | 2.2 | 5.9 |
| Accounts receivable | -6.7 | -12.9 | -0.9 | 0.0 | 0.1 | 2.3 | 6.8 | 1.0 |
| Inventories | -1.7 | 6.1 | 2.1 | | | | 0.4 | 2.1 |
| Other current assets | -4.4 | 19.5 | 0.7 | 0.4 | 0.8 | -0.4 | 0.9 | 2.1 |
| Accounts payable | -10.7 | -3.9 | 4.4 | -0.2 | -0.6 | -2.9 | 0.3 | 0.2 |
| Accrued expenses | -6.4 | -19.8 | -6.4 | 0.6 | 0.1 | -1.0 | -5.9 | 1.3 |
| Income taxes | 22.5 | 13.9 | 13.7 | 2.5 | 0.0 | 0.5 | -0.3 | -0.9 |
| Other | | -13.9 | | | | | | |
| Other operating activities | 27.6 | 32.2 | 1.9 | -2.6 | 1.9 | -0.9 | -98.3 | -0.1 |
| Cash from operations | -55.5 | -54.9 | -34.4 | -19.4 | 0.5 | -25.8 | -41.6 | -16.6 |
| |
| Capital expenditures [+] | -0.4 | -0.8 | -0.2 | 0.0 | 0.0 | -0.2 | -0.9 | -3.3 |
| Purchases of property and equipment | -0.4 | -0.8 | -0.2 | 0.0 | 0.0 | -0.2 | -0.9 | -3.3 |
| Sales of property and equipment | | | 0.2 | 0.0 | 0.1 | 0.1 | 0.8 | 0.0 |
| Other cash from investing | | | 25.3 | | 36.6 | 43.2 | 136.2 | 32.6 |
| Cash from investing | -0.4 | -0.8 | 25.3 | 0.0 | 36.7 | 43.0 | 136.1 | 29.3 |
| |
| Cash dividends paid | | | -15.0 | | | -200.0 | | |
| Issuance of common stock, net | 0.4 | 0.1 | 21.5 | 5.5 | 0.5 | -5.8 | 7.3 | -16.7 |
| Option exercises | | 0.5 | | 5.5 | | | | |
| Financing costs | -3.0 | | | | | | | |
| Other cash from financing | 44.1 | 0.5 | -30.0 | 5.5 | | | | |
| Cash from financing | 47.4 | 0.1 | -23.5 | 5.5 | 0.5 | -205.8 | 7.3 | -16.7 |
| |
| Free cash flow | -55.9 | -55.7 | -34.5 | -19.4 | 0.4 | -26.0 | -42.5 | -19.9 |
| Per share (diluted) | ($2.97) | ($2.99) | ($3.06) | ($1.86) | $0.04 | ($0.51) | ($0.85) | ($0.40) |
| |
| Cash paid for interest | 8.2 | 6.5 | 0.0 | | | | | |
| Cash paid for income taxes | 0.0 | 1.7 | | | | | | |