| In millions, except per share items | Dec-31-11 | Jan-01-11 | Jan-02-10 | Jan-03-09 | Dec-29-07 | Dec-30-06 | Dec-31-05 | Jan-01-05 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K |
| Revenue | | | | | | | | |
| Equipment | 20.7 | 21.4 | 19.6 | | | | | |
| Consumables | 76.3 | 82.3 | 85.7 | | | | | |
| Service and parts | 23.0 | 24.9 | 29.1 | | | | | |
| Total revenue | 120.0 | 128.6 | 134.5 | 193.3 | 246.6 | 258.9 | 259.1 | 121.5 |
| Total revenue growth | -6.7% | -4.4% | -30.4% | -21.6% | -4.8% | -0.1% | 113.4% | 39.2% |
| Cost of revenue | | | | | | | | |
| Equipment | 22.9 | 21.9 | 23.9 | 124.5 | 177.3 | 181.8 | 176.8 | 78.2 |
| Consumables | 43.7 | 44.9 | 46.8 | | | | | |
| Service and parts | 18.7 | 19.8 | 21.6 | | | | | |
| Total cost of revenue | 85.4 | 86.7 | 92.3 | | | | | |
| Gross profit | 34.7 | 41.9 | 42.2 | | | | | |
| Gross margin | 28.9% | 32.6% | 31.4% | | | | | |
| |
| Operating expenses | | | | | | | | |
| Research and development | 4.4 | 4.3 | 5.0 | | | | | |
| Sales, marketing and customer support | 20.3 | 21.6 | 25.0 | | | | | |
| General and administrative | 17.3 | 21.5 | 21.9 | | | | | |
| Amortization of intangible assets | 0.9 | 0.8 | 0.9 | | | | | |
| |
| Restructuring and other charges | | | | | | | | |
| Total operating expenses | 44.8 | 48.7 | 73.6 | | | | | |
| Operating loss | -10.1 | -6.8 | -31.4 | | | | | |
| Operating margin | -8.4% | -5.3% | -23.3% | | | | | |
| Interest and other income (expense), net | -2.1 | -1.2 | -1.4 | | | | | |
| Loss before income taxes | -12.2 | -8.1 | -32.8 | 5.9 | -14.2 | 4.3 | 8.1 | 5.1 |
| Provision (benefit) for income taxes | 0.2 | 2.5 | 16.3 | | | | | |
| Tax rate | | | | 0.0% | | 0.0% | | |
| Net Income (Loss) | -12.4 | -10.6 | -49.8 | | | | | |
| Comprehensive loss | -12.3 | -10.3 | -47.7 | | | | | |
| |
| Loss per share (basic and diluted) | ($0.33) | ($0.29) | ($1.36) | | | | | |
| |
| Weighted average shares outstanding - basic and diluted | 37.3 | 36.9 | 36.7 | | | | | |