| Cash and Cash Equivalents | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 250.0 | 148.1 | 278.1 | 373.2 |
| Cash and Short Term Investments | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 353.7 | 257.3 | 278.1 | 373.2 |
| Property, Plant & Equipment | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 356.1 | 380.9 | 324.5 | 106.4 |
| Other Current Liabilities | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - | 2.2 | 2.2 | 0.6 |
| Total Current Liabilities | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 65.9 | 73.9 | 67.8 | 63.3 |
| Other Non-Current Liabilities | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - | - | - | - |
| Total Non-Current Liabilities | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 129.3 | 142.8 | 133.2 | 151.7 |
| Total Stockholders Equity | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 742.4 | 716.8 | 722.0 | 719.4 |
| Total Liabilities and Equity | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 955.5 | 944.1 | 932.1 | 1,003.4 |