| Net Income | 373.62 | 360.11 | 322.11 | 292.9 | 231.13 | 171.57 | |
| Depreciation & Amortization | 11.83 | 11.94 | 11.54 | 11.87 | 11.23 | 9.93 | |
| Other Amortization | 2.3 | 2.21 | 1.96 | 1.85 | 1.86 | 4.04 | |
| Gain (Loss) on Sale of Investments | -2.33 | -1.1 | 0.51 | 5.24 | 6 | 2.74 | |
| Stock-Based Compensation | 20.2 | 19.81 | 16.91 | 15.43 | 16.68 | 11.12 | |
| Change in Accounts Receivable | -8.79 | -6.35 | -6.78 | -9.32 | -10.58 | -3.69 | |
| Reinsurance Recoverable | -3.5 | -4.75 | -5.93 | -1.27 | -2.71 | -12.67 | |
| Change in Accounts Payable | -3.02 | 16.45 | 10.39 | 1.39 | 16.91 | 18.07 | |
| Change in Unearned Revenue | -26.61 | -27.08 | -30.74 | -16.2 | 20.42 | -17.83 | |
| Change in Income Taxes | -86.89 | -86.89 | -80.88 | -65.17 | -42.85 | -38.76 | |
| Change in Insurance Reserves / Liabilities | 24.67 | 28.1 | 24.14 | -3.72 | 12.98 | 66.82 | |
| Change in Other Net Operating Assets | -5.47 | -5.09 | -6.82 | -3.91 | -2.94 | -0.07 | |
| Other Operating Activities | 88.4 | 87.66 | 90.59 | 83.28 | 64.94 | 43.6 | |
| Operating Cash Flow | 383.18 | 393.6 | 342.68 | 313.39 | 325.72 | 252.6 | |
| Operating Cash Flow Growth | 5.15% | 14.86% | 9.35% | -3.78% | 28.95% | 21.35% | |
| Capital Expenditures | -6.43 | -6.91 | -9.37 | -10.57 | -12.24 | -12.16 | |
| Investment in Securities | -342.77 | -332.38 | -190.63 | -279.21 | -361.94 | -617.4 | |
| Investing Cash Flow | -349.19 | -339.29 | -200 | -289.79 | -374.18 | -629.55 | |
| Long-Term Debt Issued | - | 419.71 | - | - | - | 400 | |
| Total Debt Repaid | -405.08 | -405.08 | - | - | - | -147.75 | |
| Net Debt Issued (Repaid) | 14.63 | 14.63 | - | - | - | 252.25 | |
| Issuance of Common Stock | 2.85 | 4.29 | 10.55 | 5.96 | 4.7 | 228.56 | |
| Repurchases of Common Stock | -109.19 | -107.83 | -100.97 | -61.79 | -5.43 | -8.96 | |
| Other Financing Activities | -7.79 | -7.79 | - | - | -1.11 | -9.04 | |
| Financing Cash Flow | -99.51 | -96.7 | -90.42 | -55.83 | -1.83 | 462.8 | |
| Net Cash Flow | -65.52 | -42.38 | 52.26 | -32.22 | -50.29 | 85.85 | |
| Free Cash Flow | 376.76 | 386.7 | 333.31 | 302.82 | 313.48 | 240.44 | |
| Free Cash Flow Growth | 6.31% | 16.02% | 10.07% | -3.40% | 30.38% | 21.32% | |
| Free Cash Flow Margin | 56.40% | 59.40% | 57.57% | 57.86% | 64.63% | 55.49% | |
| Free Cash Flow Per Share | 4.67 | 4.76 | 3.98 | 3.52 | 3.61 | 3.03 | |
| Cash Interest Paid | 32.71 | 14.01 | 29.5 | 29.5 | 29.5 | 17.56 | |
| Cash Income Tax Paid | 20.03 | 20.03 | 0.02 | -0.02 | -0.46 | -0.07 | |
| Levered Free Cash Flow | 217.01 | 176.54 | 333.21 | -6.65 | 142.31 | 243.7 | |
| Unlevered Free Cash Flow | 237.19 | 197.39 | 351.38 | 11.6 | 160.32 | 254.91 | |
| Change in Net Working Capital | 111.03 | 140.15 | -54.22 | 260.34 | 62.71 | -96.28 | |