| In millions, except per share items | Dec-31-10 | 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 | 10-K |
| Net income | 54.4 | 46.4 | 18.9 | 40.0 | 18.7 | 16.7 | 10.8 | -13.2 |
| Depreciation and amortization [+] | 48.7 | 18.5 | 19.3 | 5.4 | 3.3 | 1.8 | 1.7 | 1.8 |
| Depreciation | 8.7 | 6.9 | 6.5 | 5.4 | 3.3 | 1.8 | 1.7 | 1.8 |
| Amortization of intangible assets | 40.0 | 11.6 | 12.8 | | | | | |
| Stock-based compensation | 57.5 | 189.2 | 30.4 | 21.2 | 12.3 | 1.9 | 3.7 | 1.5 |
| Tax benefit from stock-based compensation | | -0.7 | -1.5 | 0.6 | 0.1 | 0.2 | 0.1 | |
| Deferred taxes | 9.6 | -23.0 | -2.0 | 1.6 | 1.4 | -7.5 | | |
| Change in working capital [+] | -24.3 | 50.1 | -19.0 | -7.9 | -17.9 | 0.1 | -29.3 | 5.6 |
| Accounts receivable | -44.3 | 11.6 | -0.4 | -10.7 | -12.5 | 1.4 | -19.9 | -8.1 |
| Inventories | -25.8 | 7.6 | -35.0 | -7.7 | -1.4 | -5.3 | -4.3 | -6.5 |
| Other current assets | -0.3 | -2.0 | -1.9 | | | | | |
| Accounts payable | -9.7 | 20.2 | 0.6 | 11.9 | -1.0 | 3.4 | -4.4 | 13.0 |
| Accrued expenses | 55.6 | 13.5 | 17.8 | | | | | |
| Deferred revenues | 0.2 | -0.8 | -0.1 | | | | | |
| Other operating activities | 0.3 | -137.7 | 17.3 | 10.7 | 31.5 | 3.9 | 10.2 | 2.0 |
| Cash from operations | 146.2 | 142.8 | 63.4 | 71.5 | 49.4 | 17.1 | -2.7 | -2.3 |
| |
| Capital expenditures | -14.0 | -3.9 | -7.4 | -9.7 | -5.2 | -4.1 | -2.3 | -1.5 |
| Purchases of property and equipment | -14.0 | -3.9 | -7.4 | -9.7 | -5.2 | -4.1 | -2.3 | -1.5 |
| Acquisitions | -70.6 | -70.7 | -0.5 | -23.7 | -52.1 | | | |
| Purchases of short-term investments, net | -131.0 | -57.9 | -133.6 | 9.8 | 11.1 | 23.1 | -106.4 | 9.1 |
| Purchases of short-term investments | -515.6 | -222.0 | -194.6 | -123.6 | -80.8 | -65.7 | -224.4 | -17.4 |
| Sales of short-term investments | 384.7 | 164.2 | 61.0 | 133.4 | 91.9 | 88.9 | 118.0 | 26.5 |
| Other cash from investing | -1.2 | 0.2 | -1.8 | 2.0 | -0.7 | 1.0 | 1.1 | -0.9 |
| Cash from investing | -216.8 | -132.2 | -143.3 | -21.6 | -46.9 | 20.1 | -107.7 | 6.7 |
| |
| Issuance of common stock, net | 53.0 | 22.6 | 18.6 | 23.1 | 14.1 | 5.4 | 136.3 | 1.6 |
| Other cash from financing | | 0.7 | 1.5 | 2.9 | 6.3 | -0.1 | -6.6 | 4.5 |
| Cash from financing | 53.0 | 23.2 | 20.1 | 26.0 | 20.4 | 5.3 | 129.7 | 6.1 |
| |
| Free cash flow | 132.1 | 139.0 | 56.0 | 61.8 | 44.2 | 13.0 | -5.0 | -3.7 |
| Per share (diluted) | $1.81 | $2.17 | $0.90 | $1.04 | $0.80 | $0.24 | ($0.10) | ($0.30) |