| Net Income | 211.73 | 183.76 | 136.31 | 140.21 | 93.1 | 47.91 | |
| Depreciation & Amortization | 17.91 | 17.38 | 16.2 | 14.65 | 8.93 | 8.38 | |
| Other Amortization | 1.25 | 1.28 | 1.28 | 1.28 | 4.23 | 0.87 | |
| Loss (Gain) From Sale of Investments | -7.07 | -7.18 | -3 | 1.67 | 1.71 | - | |
| Stock-Based Compensation | 25.21 | 25.21 | 18.29 | 16.65 | 10.49 | 6.95 | |
| Other Operating Activities | -2.11 | 3.03 | 1.75 | 4.52 | -0.75 | -1.58 | |
| Change in Accounts Receivable | -24.98 | -29.05 | -1.18 | -31.63 | -5.13 | -11.71 | |
| Change in Inventory | -21.48 | -23.9 | -26 | -29.31 | -18.46 | -16.27 | |
| Change in Accounts Payable | 13.49 | 17.51 | -7.81 | 5.14 | 11.7 | 3.26 | |
| Change in Unearned Revenue | 22.23 | 34.55 | 11.39 | 15.24 | 10.62 | 2.46 | |
| Change in Other Net Operating Assets | 19.79 | 22.4 | -17.46 | -5.15 | 18.81 | 20.19 | |
| Operating Cash Flow | 244.38 | 235.27 | 123.53 | 119.54 | 132.26 | 60.25 | |
| Operating Cash Flow Growth | 52.83% | 90.45% | 3.34% | -9.62% | 119.51% | 48.07% | |
| Capital Expenditures | -23.3 | -17.22 | -17.19 | -21.31 | -4.82 | -6.44 | |
| Cash Acquisitions | -51.7 | - | - | -78.47 | - | - | |
| Investment in Securities | -78.51 | -119.19 | -108.14 | -0.47 | -233.69 | -36.02 | |
| Investing Cash Flow | -153.51 | -136.4 | -125.33 | -100.26 | -238.5 | -42.46 | |
| Long-Term Debt Issued | - | - | - | - | - | 193.59 | |
| Long-Term Debt Repaid | - | -18.51 | - | - | - | - | |
| Net Debt Issued (Repaid) | -18.51 | -18.51 | - | - | - | 193.59 | |
| Issuance of Common Stock | 0.16 | 0.16 | 0.12 | 0.09 | 0.01 | 0.37 | |
| Repurchase of Common Stock | -50 | -30 | -0.11 | -21.42 | - | -12.55 | |
| Other Financing Activities | - | - | - | -8.48 | - | - | |
| Financing Cash Flow | -68.35 | -48.35 | 0.01 | -29.81 | 0.01 | 181.41 | |
| Foreign Exchange Rate Adjustments | 0.43 | -0.32 | -2.36 | -4.45 | 0.62 | 1.36 | |
| Net Cash Flow | 22.95 | 50.21 | -4.15 | -14.98 | -105.61 | 200.56 | |
| Free Cash Flow | 221.07 | 218.05 | 106.34 | 98.23 | 127.45 | 53.81 | |
| Free Cash Flow Growth | 54.92% | 105.05% | 8.27% | -22.93% | 136.84% | 177.04% | |
| Free Cash Flow Margin | 29.72% | 32.43% | 20.53% | 17.21% | 30.63% | 19.97% | |
| Free Cash Flow Per Share | 6.88 | 6.79 | 3.31 | 3.08 | 4.27 | 1.86 | |
| Cash Income Tax Paid | 29.88 | 29.88 | 26.84 | 23.01 | 13.28 | 3.98 | |
| Levered Free Cash Flow | 168.62 | 176.29 | 63.68 | 48.74 | 108.12 | 39.54 | |
| Unlevered Free Cash Flow | 168.17 | 175.81 | 63.2 | 48.26 | 106.53 | 39.21 | |
| Change in Net Working Capital | -14.04 | -33.22 | 36.76 | 55.44 | -21.69 | 4.4 | |