| Net Income | 438.7 | 426 | 35.3 | 116 | 422.8 | 358.7 | |
| Depreciation & Amortization | -0.4 | 1.5 | 6.3 | 12.9 | 16.9 | 18.2 | |
| Other Amortization | 6.7 | 6.8 | 7.9 | 5.5 | 3.4 | 6 | |
| Gain (Loss) on Sale of Investments | 99.8 | 76.2 | 32.3 | 106.4 | -123.5 | -5.1 | |
| Stock-Based Compensation | 30.9 | 31 | 31.1 | 29 | 22.9 | 20.1 | |
| Change in Accounts Receivable | -85.2 | -121.7 | -110.3 | -116.7 | -123.4 | -84 | |
| Reinsurance Recoverable | -34.4 | 61.6 | -91.6 | -57.2 | -32.9 | -60 | |
| Change in Insurance Reserves / Liabilities | 429.7 | 331.7 | 442 | 784.7 | 671.8 | 437.9 | |
| Change in Other Net Operating Assets | -86.4 | -8.7 | 48 | 3.3 | 179 | 67.5 | |
| Other Operating Activities | 24.8 | 44 | -23.3 | -108.8 | -138.8 | -41.5 | |
| Operating Cash Flow | 786.5 | 805.8 | 361.7 | 722.3 | 823.7 | 707.6 | |
| Operating Cash Flow Growth | 95.50% | 122.78% | -49.92% | -12.31% | 16.41% | 16.73% | |
| Capital Expenditures | -9.4 | -10.2 | -11.9 | -17.8 | -8 | -14.9 | |
| Investment in Securities | -569 | -530.7 | -216.6 | -489.8 | -452.2 | -593.9 | |
| Investing Cash Flow | -578.4 | -540.9 | -228.5 | -507.6 | -460.2 | -608.8 | |
| Long-Term Debt Issued | - | - | - | - | - | 296.4 | |
| Total Debt Repaid | - | - | - | - | - | -175.8 | |
| Net Debt Issued (Repaid) | - | - | - | - | - | 120.6 | |
| Issuance of Common Stock | 19.3 | 16.7 | 6.5 | 13.3 | 20.5 | 6.3 | |
| Repurchases of Common Stock | -37.7 | -26.7 | - | -30.8 | -162.6 | -212.8 | |
| Common Dividends Paid | -126 | -124.1 | -117.2 | -108.9 | -102.2 | -99.5 | |
| Total Dividends Paid | -126 | -124.1 | -117.2 | -108.9 | -102.2 | -99.5 | |
| Other Financing Activities | -13.2 | -11.4 | -11.4 | -14.2 | -8.9 | -8.5 | |
| Financing Cash Flow | -157.6 | -145.5 | -122.1 | -140.6 | -253.2 | -193.9 | |
| Net Cash Flow | 50.5 | 119.4 | 11.1 | 74.1 | 110.3 | -95.1 | |
| Free Cash Flow | 777.1 | 795.6 | 349.8 | 704.5 | 815.7 | 692.7 | |
| Free Cash Flow Growth | 98.59% | 127.44% | -50.35% | -13.63% | 17.76% | 16.83% | |
| Free Cash Flow Margin | 12.36% | 12.75% | 5.84% | 12.88% | 15.60% | 14.36% | |
| Free Cash Flow Per Share | 21.30 | 21.86 | 9.69 | 19.52 | 22.41 | 18.18 | |
| Cash Interest Paid | 33.2 | 33.2 | 33.2 | 33.3 | 33.4 | 33.9 | |
| Cash Income Tax Paid | 149 | 149 | -22.1 | 107.8 | 74 | 97 | |
| Levered Free Cash Flow | 614.48 | 605.73 | 341.89 | 560.8 | 1,106 | 660.78 | |
| Unlevered Free Cash Flow | 635.79 | 627.04 | 363.2 | 582.11 | 1,127 | 683.96 | |
| Change in Net Working Capital | -241.3 | -240.5 | -282.8 | -441.2 | -744.9 | -349.5 | |