| In millions, except per share items | Mar-31-10 | Mar-31-09 | Mar-31-08 | Mar-31-07 | Mar-31-06 | Mar-31-05 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | S-1/A |
| Net income | -3.2 | -1.0 | -10.1 | -15.5 | -16.3 | -17.4 |
| Depreciation and amortization | 8.6 | 6.0 | 3.3 | 2.2 | 1.7 | 1.9 |
| Stock-based compensation | 9.4 | 6.7 | 3.6 | 1.8 | 1.9 | 0.1 |
| Change in working capital [+] | -5.2 | -11.4 | -0.3 | 10.0 | -1.7 | -3.6 |
| Accounts receivable | -6.4 | -1.4 | -15.9 | -7.1 | -9.2 | -0.6 |
| Inventories | -4.1 | -10.0 | -5.1 | -7.2 | 0.0 | -5.2 |
| Accounts payable | 5.9 | -1.9 | 3.7 | 4.5 | 1.1 | 1.2 |
| Other | -0.6 | 2.0 | 17.1 | 19.8 | 6.4 | 1.1 |
| Other operating activities | 2.1 | 5.2 | 0.5 | -0.8 | 0.6 | 2.4 |
| Cash from operations | 11.7 | 5.6 | -3.0 | -2.4 | -13.8 | -16.7 |
| |
| Capital expenditures | -10.0 | -14.6 | -11.2 | -5.3 | -1.5 | -1.7 |
| Purchases of property and equipment | -10.0 | -14.6 | -11.2 | -5.3 | -1.5 | -1.7 |
| Purchases of short-term investments, net | -16.7 | -38.2 | 0.4 | -10.0 | 7.4 | -8.0 |
| Purchases of short-term investments | -99.4 | -82.7 | -45.4 | -33.9 | -6.6 | -20.2 |
| Sales of short-term investments | 82.7 | 44.6 | 45.8 | 23.9 | 14.0 | 12.2 |
| Other cash from investing | | | 0.3 | 0.0 | 0.3 | 0.3 |
| Cash from investing | -26.7 | -52.8 | -10.4 | -15.3 | 6.3 | -9.4 |
| |
| Issuance of common stock, net | | -1.7 | 97.4 | 0.0 | | 0.0 |
| Other cash from financing | 6.4 | -1.1 | -3.1 | 4.8 | 31.6 | -0.8 |
| Cash from financing | 6.4 | -2.7 | 94.3 | 4.8 | 31.6 | -0.8 |
| |
| Free cash flow | 1.7 | -9.1 | -14.2 | -7.7 | -15.3 | -18.4 |
| Per share (diluted) | $0.03 | ($0.15) | ($0.42) | ($0.43) | ($0.95) | ($1.33) |