| Assets | — | — |
| Current assets | — | — |
| Cash and cash equivalents | 268.63a | 296.87a |
| Accounts receivable, net of allowance for doubtful accounts | 68.42a | 56.75a |
| Inventories, net | 80.79a | 63.24a |
| Prepaid expenses | 16.03a | 7.62a |
| Other current assets | 3.13a | 2.84a |
| Total current assets | 437a | 427.32a |
| Property, plant and equipment, net | 1,065.87a | 979.16a |
| Deposits on equipment | 1.05a | 1.9a |
| Operating lease right of use assets | 3.37a | 3.62a |
| Long term investment in equity securities | 33.45a | 23.53a |
| Other assets | 34.15a | 28.9a |
| Total assets | 1,574.88a | 1,464.42a |
| Liabilities and stockholders' equity | — | — |
| Current liabilities | — | — |
| Accounts payable | 39.16a | 36.1a |
| Accrued expenses | 56.26a | 49.82a |
| Current operating lease liabilities | 1.32a | 1.31a |
| Current finance lease liabilities | 2.12a | 2a |
| Total current liabilities | 98.87a | 89.22a |
| Convertible senior notes | 395.16a | 393.07a |
| Long term operating lease liabilities | 2.21a | 2.59a |
| Long term finance lease liabilities | 23.27a | 26.08a |
| Total liabilities | 519.52a | 510.97a |
| Commitments and contingencies | 0a | 0a |
| Stockholders' equity | — | — |
| Common stock - voting | 0.05a | 0.05a |
| Additional paid-in capital | 1,338.16a | 1,282.98a |
| Accumulated deficit | -281.81a | -328.73a |
| Accumulated other comprehensive loss | -0.79a | -0.59a |
| Treasury stock, at cost | -0.26a | -0.26a |
| Total stockholders' equity | 1,055.36a | 953.45a |
| Total liabilities and stockholders' equity | 1,574.88a | 1,464.42a |