| Net Income | - | 135.68 | 117.34 | 79.76 | 82.6 | 3.21 | |
| Depreciation & Amortization | - | 1.35 | 2.02 | 1.13 | 0.85 | 0.26 | |
| Loss (Gain) From Sale of Assets | - | -0.06 | 0.01 | 0.01 | 0.08 | - | |
| Loss (Gain) From Sale of Investments | - | - | 2.51 | 0.71 | - | - | |
| Stock-Based Compensation | - | 14.69 | 17.93 | 26.69 | 43.94 | 60.81 | |
| Other Operating Activities | - | -0.6 | -5.03 | 0.09 | 0.87 | -0.01 | |
| Change in Accounts Payable | - | 0.03 | -4.45 | 0.99 | 2.82 | 0.85 | |
| Change in Unearned Revenue | - | 11.52 | 10.6 | 10.99 | 11.61 | 7.35 | |
| Change in Income Taxes | - | 8.2 | -0.02 | 0.25 | - | - | |
| Change in Other Net Operating Assets | - | -0.14 | -1.58 | -1.06 | 1.47 | -7.67 | |
| Operating Cash Flow | - | 172.82 | 139.32 | 119.55 | 144.24 | 64.79 | |
| Operating Cash Flow Growth | - | 24.04% | 16.54% | -17.12% | 122.62% | 107.13% | |
| Capital Expenditures | - | -0.81 | -1.58 | -14.96 | -1.49 | -1.03 | |
| Sale of Property, Plant & Equipment | - | 0.12 | 0.01 | - | - | - | |
| Sale (Purchase) of Intangibles | - | -0.03 | -0.07 | -1.36 | - | - | |
| Investment in Securities | - | 19.31 | -224.49 | -46.13 | -3.87 | 3.51 | |
| Other Investing Activities | - | - | - | -0 | - | - | |
| Investing Cash Flow | - | 18.58 | -226.12 | -62.57 | -5.36 | 2.48 | |
| Issuance of Common Stock | - | 1.09 | 0.95 | 1.97 | 1.09 | 144.76 | |
| Repurchase of Common Stock | - | -13.91 | -8.51 | -1.59 | -25.42 | - | |
| Dividends Paid | - | - | - | - | - | -9.01 | |
| Other Financing Activities | - | - | 0.01 | - | -0.23 | -11.98 | |
| Financing Cash Flow | - | -12.82 | -7.55 | 0.37 | -24.56 | 123.77 | |
| Foreign Exchange Rate Adjustments | - | -0.52 | -0.59 | -1.58 | 0.28 | 0.54 | |
| Net Cash Flow | - | 178.05 | -94.95 | 55.77 | 114.6 | 191.58 | |
| Free Cash Flow | - | 172 | 137.74 | 104.58 | 142.75 | 63.76 | |
| Free Cash Flow Growth | - | 24.88% | 31.70% | -26.74% | 123.88% | 106.67% | |
| Free Cash Flow Margin | - | 50.64% | 43.20% | 34.45% | 52.26% | 47.26% | |
| Free Cash Flow Per Share | - | 0.94 | 0.76 | 0.59 | 0.79 | 0.69 | |
| Cash Income Tax Paid | - | 3.57 | 2.73 | 2.35 | 1.76 | 0.85 | |
| Levered Free Cash Flow | - | 114.01 | 83.32 | 73.89 | 112.14 | 63.36 | |
| Unlevered Free Cash Flow | - | 114.01 | 83.32 | 73.89 | 112.14 | 63.36 | |
| Change in Net Working Capital | -16.98 | -22.94 | -4.8 | -13.21 | -16.95 | -0.98 | |