| In millions, except per share items | Dec-31-09 | Dec-31-08 | Dec-31-07 | Dec-31-06 | Dec-31-05 | Dec-31-04 | Dec-31-03 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K |
| Net income | -10.2 | -39.8 | -49.0 | -20.8 | -26.6 | 26.7 | -65.2 |
| Depreciation and amortization | 8.6 | 10.6 | 11.3 | 10.0 | 10.0 | | |
| Stock-based compensation | 2.5 | 4.7 | 5.3 | 8.0 | 0.6 | | |
| Deferred taxes | | | | | | | 22.3 |
| Change in working capital [+] | 5.4 | -22.2 | 19.4 | 20.4 | -5.2 | | 24.0 |
| Inventories | 7.3 | -17.1 | 15.2 | 17.2 | 5.0 | | 29.5 |
| Other | -1.9 | -5.2 | 4.2 | 3.2 | -10.3 | | -5.6 |
| Other operating activities | 3.1 | 60.6 | 44.1 | 63.3 | 4.8 | | 0.1 |
| Cash from operations | 9.5 | 13.8 | 31.2 | 80.9 | -16.5 | | -18.8 |
| |
| Capital expenditures | -1.1 | -8.3 | -6.4 | -6.3 | -6.4 | | -1.8 |
| Purchases of property and equipment | -1.1 | -8.3 | -6.4 | -6.3 | -6.4 | | -1.8 |
| Acquisitions | | | | | -7.4 | | |
| Sales of short-term investments, net [+] | 33.4 | -36.4 | 3.8 | | | | |
| Purchases of short-term investments | -74.8 | -120.4 | -95.7 | | | | |
| Sales of short-term investments | 108.3 | 84.1 | 99.5 | | | | |
| Other cash from investing | 0.0 | -0.6 | -15.0 | -51.5 | 66.6 | | 12.0 |
| Cash from investing | 32.4 | -45.3 | -17.6 | -57.7 | 52.8 | | 10.2 |
| |
| Other cash from financing | -0.4 | -36.0 | 3.4 | 0.4 | 5.7 | | 4.3 |
| Cash from financing | -0.4 | -36.0 | 3.4 | 0.4 | 5.7 | | 4.3 |
| |
| Free cash flow | 8.4 | 5.5 | 24.8 | 74.6 | -22.9 | | -20.6 |
| Per share (diluted) | $0.09 | $0.05 | $0.24 | $0.72 | ($0.23) | | ($0.22) |