| Net Income | -58.33 | -56.42 | -55.19 | 872.13 | -199.43 | -278.02 | |
| Depreciation & Amortization | 5.97 | 6.12 | 6.15 | 7.02 | 8.6 | 6.97 | |
| Loss (Gain) From Sale of Assets | 0.03 | 0.03 | 1.35 | -2.72 | 0.04 | - | |
| Asset Writedown & Restructuring Costs | 4.51 | 4.51 | - | - | - | - | |
| Loss (Gain) From Sale of Investments | -2.48 | -2.51 | -1.9 | - | - | - | |
| Stock-Based Compensation | 21.04 | 21.39 | 25.37 | 39.73 | 62.06 | 62.98 | |
| Other Operating Activities | -6.39 | -5.03 | 5.56 | -960.95 | -67.5 | -16.9 | |
| Change in Accounts Receivable | -0.69 | -0.97 | -0.69 | -2.72 | 1.8 | 6.13 | |
| Change in Accounts Payable | 0.73 | 0.75 | 0.01 | -1.61 | -3.53 | 3.66 | |
| Change in Unearned Revenue | - | - | -0.22 | -0.19 | -11.46 | -26.47 | |
| Change in Income Taxes | 9.41 | 9.91 | 1.1 | 63.95 | -0.19 | -8.54 | |
| Change in Other Net Operating Assets | 58.72 | 10.67 | -8.54 | -17.08 | -26.17 | -12.56 | |
| Operating Cash Flow | 32.53 | -11.54 | -27 | -186.99 | -207.86 | -250.4 | |
| Capital Expenditures | -0.24 | -0.33 | -2.49 | -0.57 | -3.41 | -6.62 | |
| Sale of Property, Plant & Equipment | - | - | 1.51 | 4.58 | 0.01 | 0.06 | |
| Investment in Securities | 28.42 | 14.91 | -31.72 | 54.87 | 127.89 | 17.27 | |
| Other Investing Activities | -2.29 | -2.29 | - | 1,095 | - | - | |
| Investing Cash Flow | 25.89 | 12.28 | -32.7 | 1,154 | 124.49 | 10.72 | |
| Long-Term Debt Issued | - | - | - | - | - | 380 | |
| Long-Term Debt Repaid | - | - | - | -631.6 | -10.73 | -235.35 | |
| Net Debt Issued (Repaid) | - | - | - | -631.6 | -10.73 | 144.65 | |
| Issuance of Common Stock | 0.63 | 0.61 | 0.62 | 0.8 | 111.65 | 144.98 | |
| Repurchase of Common Stock | -2.26 | -3.1 | -199.55 | -132.28 | -9.06 | -9.75 | |
| Other Financing Activities | - | - | - | 4.28 | - | -16.8 | |
| Financing Cash Flow | -1.64 | -2.5 | -198.93 | -758.81 | 91.86 | 263.09 | |
| Net Cash Flow | 56.78 | -1.75 | -258.63 | 208.21 | 8.5 | 23.4 | |
| Free Cash Flow | 32.29 | -11.87 | -29.49 | -187.56 | -211.26 | -257.02 | |
| Free Cash Flow Margin | 49.47% | -18.43% | -51.35% | -365.29% | -381.96% | -357.68% | |
| Free Cash Flow Per Share | 0.66 | -0.24 | -0.53 | -2.55 | -3.04 | -4.12 | |
| Cash Interest Paid | - | - | - | 22.24 | 39.03 | 24.02 | |
| Cash Income Tax Paid | 0.12 | 0.11 | 0.02 | 117.97 | -4.09 | 0.01 | |
| Levered Free Cash Flow | 4.64 | -42 | -12.22 | 24 | -115.85 | -170.49 | |
| Unlevered Free Cash Flow | 6.24 | -40.41 | -10.75 | 27.98 | -110.5 | -165.15 | |
| Change in Net Working Capital | -8.01 | 41.07 | 6.25 | -31.24 | 29.23 | 42.46 | |