| In millions, except per share items | Dec-31-12 | Dec-31-11 | Dec-31-10 | Dec-31-09 | Dec-31-08 | Dec-31-07 | Dec-31-06 | Dec-31-05 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K |
| Net income | 10.9 | 12.0 | -1.6 | -16.4 | 15.7 | 20.4 | 45.5 | 51.3 |
| Depreciation and amortization | 4.8 | 4.2 | 4.7 | 4.1 | 4.0 | 4.3 | 4.2 | 3.3 |
| Stock-based compensation | 1.3 | 1.0 | 1.2 | 1.3 | 1.3 | 1.5 | | 1.0 |
| Deferred taxes | 4.8 | 6.9 | -5.3 | -7.8 | 5.8 | 0.6 | 0.1 | 17.3 |
| Change in working capital [+] | 0.7 | 1.0 | 9.6 | -1.5 | -0.9 | 0.8 | 4.9 | -2.2 |
| Income taxes | -1.8 | 3.9 | 2.0 | -1.1 | | | | |
| Other | 2.5 | -3.0 | 7.6 | -0.4 | | | | |
| Other operating activities | -7.1 | -5.7 | -0.7 | 51.8 | 13.8 | 23.6 | 11.1 | 16.4 |
| Cash from operations | 15.4 | 19.4 | 7.9 | 31.5 | 39.7 | 51.2 | 65.8 | 87.2 |
| |
| Capital expenditures [+] | -3.1 | -5.8 | -3.1 | -6.0 | -5.7 | -2.4 | -5.4 | -2.7 |
| Purchases of property and equipment | -3.1 | -5.8 | -2.3 | -6.0 | -5.7 | -2.4 | -5.4 | -2.7 |
| Capitalized product costs | | | -0.8 | | | | | |
| Sales of property and equipment | 0.4 | 0.1 | 0.0 | 0.0 | | | | |
| Purchases of short-term investments | | | | | | | -14.9 | |
| Purchases of short-term investments | | | | | | | -14.9 | |
| Other cash from investing | -13.7 | -21.2 | -0.4 | -3.2 | | | | |
| Cash from investing | -16.5 | -26.9 | -3.5 | -9.1 | -33.6 | -70.3 | -77.3 | -50.7 |
| |
| Cash dividends paid | | | | | | -74.9 | | |
| Repurchase of common stock, net | -0.1 | -0.1 | 0.0 | -0.1 | -0.2 | -78.7 | -40.5 | |
| Financing costs | 0.0 | -5.5 | -0.8 | | | | | |
| Other cash from financing | 8.3 | 3.4 | -4.4 | -23.4 | | | | |
| Cash from financing | 8.1 | 8.8 | -3.7 | -23.5 | -10.5 | 18.3 | -27.8 | -0.2 |
| |
| Free cash flow | 12.2 | 13.6 | 5.5 | 25.6 | 34.0 | 48.8 | 60.4 | 84.6 |
| Per share (diluted) | $0.39 | $0.44 | $0.15 | $0.83 | | | | |
| |
| Cash paid for interest | 17.4 | 9.5 | 10.2 | 9.6 | | | | |
| Cash paid for income taxes | 0.1 | -2.9 | -5.2 | -0.9 | | | | |