| Net Income | 76.11 | 168.91 | -35.77 | 33.62 | -30.95 | |
| Depreciation & Amortization | 5.56 | 5.17 | 8.96 | 10.71 | 15.88 | |
| Other Amortization | 37.04 | 27.9 | 23.99 | 18.58 | 18.32 | |
| Asset Writedown & Restructuring Costs | 2.91 | - | 53.48 | - | 42.38 | |
| Loss (Gain) From Sale of Investments | -0.36 | 0.02 | 0.31 | -0.3 | - | |
| Stock-Based Compensation | 113.26 | 94.55 | 105.75 | 105.16 | 84.83 | |
| Other Operating Activities | -15.01 | -102.91 | 4.5 | 0.05 | -0.09 | |
| Change in Accounts Receivable | -62.01 | -21.73 | -11.6 | -20.37 | -34.62 | |
| Change in Accounts Payable | -0.95 | 0.2 | -0.3 | 0.06 | 0.05 | |
| Change in Unearned Revenue | 87.66 | 50.39 | 73.76 | 48.3 | 31.74 | |
| Change in Other Net Operating Assets | -36.83 | -18.69 | -52.78 | -18.63 | -3.58 | |
| Operating Cash Flow | 207.38 | 203.8 | 170.29 | 177.18 | 123.96 | |
| Operating Cash Flow Growth | 1.76% | 19.68% | -3.89% | 42.94% | 40.12% | |
| Capital Expenditures | -3.76 | -4.09 | -3.24 | -3.91 | -8.18 | |
| Cash Acquisitions | -65.31 | - | - | -16.89 | - | |
| Investment in Securities | -1.33 | -1.44 | -2.05 | -4.14 | 43.65 | |
| Other Investing Activities | - | - | - | 0.5 | - | |
| Investing Cash Flow | -70.4 | -5.52 | -5.29 | -24.44 | 35.47 | |
| Issuance of Common Stock | 17.54 | 13.44 | 15.41 | 29.76 | 20.52 | |
| Repurchase of Common Stock | -165.02 | -184.02 | -150.92 | -305.24 | -95.26 | |
| Other Financing Activities | -0.34 | - | -0.06 | -0.61 | - | |
| Financing Cash Flow | -147.82 | -170.58 | -135.58 | -276.09 | -74.74 | |
| Foreign Exchange Rate Adjustments | 0.19 | -2.72 | -9.15 | -6.38 | 16.47 | |
| Net Cash Flow | -10.65 | 24.98 | 20.27 | -129.73 | 101.16 | |
| Free Cash Flow | 203.63 | 199.71 | 167.05 | 173.27 | 115.78 | |
| Free Cash Flow Growth | 1.96% | 19.55% | -3.59% | 49.66% | 35.79% | |
| Free Cash Flow Margin | 20.45% | 23.80% | 21.29% | 22.51% | 16.00% | |
| Free Cash Flow Per Share | 4.51 | 4.43 | 3.74 | 3.67 | 2.48 | |
| Cash Interest Paid | 0.25 | 0.25 | 0.25 | 0.01 | - | |
| Cash Income Tax Paid | 42.19 | 19.97 | 15.18 | -1.49 | 2.96 | |
| Levered Free Cash Flow | 229.18 | 228.41 | 138.02 | 172.73 | 153.52 | |
| Unlevered Free Cash Flow | 229.32 | 228.55 | 138.2 | 172.76 | 153.52 | |
| Change in Net Working Capital | -19.86 | -55.2 | 30.29 | -17.34 | -16.47 | |