| In millions, except per share items | Dec-31-08 | Dec-31-07 | Dec-31-06 | Dec-31-05 | Dec-31-04 | Dec-31-03 | Dec-31-02 | Dec-31-01 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K/A | 10-K |
| Net income | 4.8 | 40.9 | 33.3 | 31.5 | 17.8 | 19.7 | 20.4 | 5.0 |
| Depreciation and amortization [+] | 41.9 | 39.0 | 28.9 | 30.9 | 29.9 | 27.8 | 28.1 | 48.1 |
| Depreciation | 24.4 | 21.5 | 14.0 | 12.8 | 14.1 | 14.6 | 14.8 | |
| Amortization | 17.5 | 17.5 | 14.9 | 18.1 | 15.9 | 13.3 | 13.3 | |
| Stock-based compensation | 0.5 | 0.8 | 1.2 | -0.3 | 0.8 | 0.2 | 0.1 | 0.4 |
| Tax benefit from stock-based compensation | 0.0 | 0.4 | 2.1 | 0.4 | 1.0 | 1.0 | | |
| Deferred taxes | -5.6 | -8.6 | -2.2 | -6.3 | -3.4 | 3.1 | -1.2 | -5.6 |
| Change in working capital [+] | -12.9 | -4.0 | -1.9 | 28.6 | 19.7 | 4.3 | 11.8 | 19.6 |
| Accounts receivable | -3.0 | 8.2 | 2.1 | 0.9 | -1.3 | 2.2 | 6.1 | 15.4 |
| Accounts payable | 10.5 | -9.3 | 10.9 | -8.6 | 0.6 | 0.9 | 3.6 | -4.2 |
| Other | -20.4 | -2.9 | -14.9 | 36.3 | 20.3 | 1.2 | 2.1 | 8.5 |
| Other operating activities | 15.9 | 5.2 | 0.3 | 1.5 | 6.2 | 0.4 | -5.9 | -13.0 |
| Cash from operations | 44.6 | 73.7 | 61.6 | 86.3 | 72.0 | 56.6 | 53.2 | 54.5 |
| |
| Capital expenditures [+] | -30.3 | -21.3 | -21.1 | -11.5 | -7.0 | -6.6 | -4.9 | -8.3 |
| Purchases of property and equipment | -22.3 | -16.9 | -13.6 | -6.5 | -4.4 | -5.5 | -2.9 | -5.9 |
| Capitalized product costs | -7.9 | -4.4 | -7.5 | -5.0 | -2.6 | -1.1 | -2.0 | -2.4 |
| Acquisitions | -19.1 | -57.1 | -146.1 | -21.4 | -110.0 | -5.8 | -9.8 | |
| Purchases of short-term investments, net | -0.9 | 3.4 | -1.9 | 4.3 | -3.9 | -3.4 | | -1.0 |
| Purchases of short-term investments | -3.3 | -0.3 | -2.4 | -4.2 | -3.9 | -3.4 | | -1.0 |
| Sales of short-term investments | 2.4 | 3.6 | 0.5 | 8.5 | | | | |
| Other cash from investing | 6.0 | | | | 2.5 | 0.7 | | -22.8 |
| Cash from investing | -44.2 | -75.0 | -169.0 | -28.7 | -118.4 | -15.0 | -14.7 | -32.0 |
| |
| Cash dividends paid | -19.8 | -19.4 | -12.4 | -10.6 | | | | |
| Other cash from financing | 15.5 | 26.5 | 125.2 | -56.6 | 54.1 | -45.2 | -36.6 | -39.8 |
| Cash from financing | -4.3 | 7.1 | 112.8 | -67.2 | 54.1 | -45.2 | -36.6 | -39.8 |
| |
| Free cash flow | 22.3 | 56.8 | 48.0 | 79.8 | 67.6 | 51.1 | 50.3 | 48.7 |
| Per share (diluted) | $0.25 | $0.94 | $0.73 | $1.39 | $1.21 | $0.97 | $0.94 | $0.91 |