| In millions, except per share items | Dec-31-13 | Dec-31-12 | Dec-31-11 | Dec-31-10 | Jun-30-10 | Dec-31-09 | Jun-30-09 | Dec-31-08 |
| | 10-K | 10-K | 10-K | 10-K | 8-K | 10-K/A | 8-K | 10-K |
| Revenue, net | | | | | | | | |
| Esbriet product sales | 70.3 | 26.2 | 5.4 | 239.3 | 12.0 | 48.7 | 14.8 | 48.2 |
| Esbriet product sales growth | 168.7% | 384.1% | -97.7% | 391.3% | -19.0% | 1.1% | | -27.8% |
| Cost and expenses: | | | | | | | | |
| Cost of goods sold | 10.4 | 8.9 | 1.4 | | 3.8 | 7.0 | 4.5 | 9.0 |
| Research and development | 113.5 | 106.6 | 75.0 | 67.5 | | 89.1 | | 104.2 |
| Selling, general and administrative | 145.1 | 105.3 | 89.5 | 55.0 | | 37.5 | | 30.6 |
| Total costs and expenses | 269.0 | 220.8 | 165.8 | 123.8 | | 149.5 | | 143.8 |
| Loss from operations | -198.6 | -194.6 | -160.4 | 115.5 | | -100.8 | | -95.7 |
| Operating margin | -282.4% | -743.5% | -2967.2% | 48.3% | | -207.1% | | -198.7% |
| |
| Other income (expense): | | | | | | | | |
| Interest income | 0.4 | 0.6 | 0.6 | 0.6 | | 1.7 | | 5.6 |
| Interest expense | -14.6 | -8.9 | -6.4 | -8.4 | | -10.1 | | -13.2 |
| Change in value of embedded conversion derivative | 2.4 | | | | | | | |
| Loss on extinguishment of notes | -7.9 | | | | | -11.0 | | -1.3 |
| Other | -1.6 | -0.4 | -0.7 | 1.6 | | 6.4 | | 2.1 |
| Loss from continuing operations before income taxes | -219.9 | -203.3 | -166.9 | 109.2 | -59.4 | -113.9 | -76.5 | -106.6 |
| Income tax provision | 0.9 | -18.6 | -4.6 | 0.1 | | 2.2 | | |
| Tax rate | | 9.2% | 2.8% | 0.1% | 0.0% | | 0.0% | 0.0% |
| Loss from continuing operations, net of income taxes | -220.8 | -184.7 | -162.4 | 109.2 | | -116.0 | | -106.6 |
| Income from discontinued operations, net of income taxes | 1.2 | 34.6 | 7.6 | 13.2 | | | | -106.5 |
| Net loss | -219.6 | -150.1 | -154.8 | 122.4 | | -116.0 | | -213.1 |
| |
| Basic and diluted net income (loss) per common share: | | | | | | | | |
| Continuing operations | 0.0 | 0.0 | 0.0 | 0.0 | | 0.0 | | |
| Discontinued operations | 0.0 | 0.0 | 0.0 | 0.0 | | | | |
| |
| Net loss per share | ($2.70) | ($2.30) | ($2.58) | $2.26 | | ($2.62) | | ($2.73) |
| |
| Shares used in computing basic and diluted net income (loss) per common share | 81.4 | 65.2 | 60.1 | 54.2 | | 44.3 | | 39.0 |